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diff --git a/node_modules/aws4/.npmignore b/node_modules/aws4/.npmignore
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-test
-examples
-example.js
-browser
diff --git a/node_modules/aws4/.tern-port b/node_modules/aws4/.tern-port
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-62638
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diff --git a/node_modules/aws4/.travis.yml b/node_modules/aws4/.travis.yml
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-language: node_js
-node_js:
-  - "0.10"
-  - "0.12"
-  - "4.2"
diff --git a/node_modules/aws4/LICENSE b/node_modules/aws4/LICENSE
deleted file mode 100644
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--- a/node_modules/aws4/LICENSE
+++ /dev/null
@@ -1,19 +0,0 @@
-Copyright 2013 Michael Hart ([email protected])
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/node_modules/aws4/README.md b/node_modules/aws4/README.md
deleted file mode 100644
index 6b002d0..0000000
--- a/node_modules/aws4/README.md
+++ /dev/null
@@ -1,523 +0,0 @@
-aws4
-----
-
-[![Build Status](https://secure.travis-ci.org/mhart/aws4.png?branch=master)](http://travis-ci.org/mhart/aws4)
-
-A small utility to sign vanilla node.js http(s) request options using Amazon's
-[AWS Signature Version 4](http://docs.amazonwebservices.com/general/latest/gr/signature-version-4.html).
-
-Can also be used [in the browser](./browser).
-
-This signature is supported by nearly all Amazon services, including
-[S3](http://docs.aws.amazon.com/AmazonS3/latest/API/),
-[EC2](http://docs.aws.amazon.com/AWSEC2/latest/APIReference/),
-[DynamoDB](http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/API.html),
-[Kinesis](http://docs.aws.amazon.com/kinesis/latest/APIReference/),
-[Lambda](http://docs.aws.amazon.com/lambda/latest/dg/API_Reference.html),
-[SQS](http://docs.aws.amazon.com/AWSSimpleQueueService/latest/APIReference/),
-[SNS](http://docs.aws.amazon.com/sns/latest/api/),
-[IAM](http://docs.aws.amazon.com/IAM/latest/APIReference/),
-[STS](http://docs.aws.amazon.com/STS/latest/APIReference/),
-[RDS](http://docs.aws.amazon.com/AmazonRDS/latest/APIReference/),
-[CloudWatch](http://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/),
-[CloudWatch Logs](http://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/),
-[CodeDeploy](http://docs.aws.amazon.com/codedeploy/latest/APIReference/),
-[CloudFront](http://docs.aws.amazon.com/AmazonCloudFront/latest/APIReference/),
-[CloudTrail](http://docs.aws.amazon.com/awscloudtrail/latest/APIReference/),
-[ElastiCache](http://docs.aws.amazon.com/AmazonElastiCache/latest/APIReference/),
-[EMR](http://docs.aws.amazon.com/ElasticMapReduce/latest/API/),
-[Glacier](http://docs.aws.amazon.com/amazonglacier/latest/dev/amazon-glacier-api.html),
-[CloudSearch](http://docs.aws.amazon.com/cloudsearch/latest/developerguide/APIReq.html),
-[Elastic Load Balancing](http://docs.aws.amazon.com/ElasticLoadBalancing/latest/APIReference/),
-[Elastic Transcoder](http://docs.aws.amazon.com/elastictranscoder/latest/developerguide/api-reference.html),
-[CloudFormation](http://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/),
-[Elastic Beanstalk](http://docs.aws.amazon.com/elasticbeanstalk/latest/api/),
-[Storage Gateway](http://docs.aws.amazon.com/storagegateway/latest/userguide/AWSStorageGatewayAPI.html),
-[Data Pipeline](http://docs.aws.amazon.com/datapipeline/latest/APIReference/),
-[Direct Connect](http://docs.aws.amazon.com/directconnect/latest/APIReference/),
-[Redshift](http://docs.aws.amazon.com/redshift/latest/APIReference/),
-[OpsWorks](http://docs.aws.amazon.com/opsworks/latest/APIReference/),
-[SES](http://docs.aws.amazon.com/ses/latest/APIReference/),
-[SWF](http://docs.aws.amazon.com/amazonswf/latest/apireference/),
-[AutoScaling](http://docs.aws.amazon.com/AutoScaling/latest/APIReference/),
-[Mobile Analytics](http://docs.aws.amazon.com/mobileanalytics/latest/ug/server-reference.html),
-[Cognito Identity](http://docs.aws.amazon.com/cognitoidentity/latest/APIReference/),
-[Cognito Sync](http://docs.aws.amazon.com/cognitosync/latest/APIReference/),
-[Container Service](http://docs.aws.amazon.com/AmazonECS/latest/APIReference/),
-[AppStream](http://docs.aws.amazon.com/appstream/latest/developerguide/appstream-api-rest.html),
-[Key Management Service](http://docs.aws.amazon.com/kms/latest/APIReference/),
-[Config](http://docs.aws.amazon.com/config/latest/APIReference/),
-[CloudHSM](http://docs.aws.amazon.com/cloudhsm/latest/dg/api-ref.html),
-[Route53](http://docs.aws.amazon.com/Route53/latest/APIReference/requests-rest.html) and
-[Route53 Domains](http://docs.aws.amazon.com/Route53/latest/APIReference/requests-rpc.html).
-
-Indeed, the only AWS services that *don't* support v4 as of 2014-12-30 are
-[Import/Export](http://docs.aws.amazon.com/AWSImportExport/latest/DG/api-reference.html) and
-[SimpleDB](http://docs.aws.amazon.com/AmazonSimpleDB/latest/DeveloperGuide/SDB_API.html)
-(they only support [AWS Signature Version 2](https://github.com/mhart/aws2)).
-
-It also provides defaults for a number of core AWS headers and
-request parameters, making it very easy to query AWS services, or
-build out a fully-featured AWS library.
-
-Example
--------
-
-```javascript
-var http  = require('http'),
-    https = require('https'),
-    aws4  = require('aws4')
-
-// given an options object you could pass to http.request
-var opts = {host: 'sqs.us-east-1.amazonaws.com', path: '/?Action=ListQueues'}
-
-// alternatively (as aws4 can infer the host):
-opts = {service: 'sqs', region: 'us-east-1', path: '/?Action=ListQueues'}
-
-// alternatively (as us-east-1 is default):
-opts = {service: 'sqs', path: '/?Action=ListQueues'}
-
-aws4.sign(opts) // assumes AWS credentials are available in process.env
-
-console.log(opts)
-/*
-{
-  host: 'sqs.us-east-1.amazonaws.com',
-  path: '/?Action=ListQueues',
-  headers: {
-    Host: 'sqs.us-east-1.amazonaws.com',
-    'X-Amz-Date': '20121226T061030Z',
-    Authorization: 'AWS4-HMAC-SHA256 Credential=ABCDEF/20121226/us-east-1/sqs/aws4_request, ...'
-  }
-}
-*/
-
-// we can now use this to query AWS using the standard node.js http API
-http.request(opts, function(res) { res.pipe(process.stdout) }).end()
-/*
-<?xml version="1.0"?>
-<ListQueuesResponse xmlns="http://queue.amazonaws.com/doc/2012-11-05/">
-...
-*/
-```
-
-More options
-------------
-
-```javascript
-// you can also pass AWS credentials in explicitly (otherwise taken from process.env)
-aws4.sign(opts, {accessKeyId: '', secretAccessKey: ''})
-
-// can also add the signature to query strings
-aws4.sign({service: 's3', path: '/my-bucket?X-Amz-Expires=12345', signQuery: true})
-
-// create a utility function to pipe to stdout (with https this time)
-function request(o) { https.request(o, function(res) { res.pipe(process.stdout) }).end(o.body || '') }
-
-// aws4 can infer the HTTP method if a body is passed in
-// method will be POST and Content-Type: 'application/x-www-form-urlencoded; charset=utf-8'
-request(aws4.sign({service: 'iam', body: 'Action=ListGroups&Version=2010-05-08'}))
-/*
-<ListGroupsResponse xmlns="https://iam.amazonaws.com/doc/2010-05-08/">
-...
-*/
-
-// can specify any custom option or header as per usual
-request(aws4.sign({
-  service: 'dynamodb',
-  region: 'ap-southeast-2',
-  method: 'POST',
-  path: '/',
-  headers: {
-    'Content-Type': 'application/x-amz-json-1.0',
-    'X-Amz-Target': 'DynamoDB_20120810.ListTables'
-  },
-  body: '{}'
-}))
-/*
-{"TableNames":[]}
-...
-*/
-
-// works with all other services that support Signature Version 4
-
-request(aws4.sign({service: 's3', path: '/', signQuery: true}))
-/*
-<ListAllMyBucketsResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
-...
-*/
-
-request(aws4.sign({service: 'ec2', path: '/?Action=DescribeRegions&Version=2014-06-15'}))
-/*
-<DescribeRegionsResponse xmlns="http://ec2.amazonaws.com/doc/2014-06-15/">
-...
-*/
-
-request(aws4.sign({service: 'sns', path: '/?Action=ListTopics&Version=2010-03-31'}))
-/*
-<ListTopicsResponse xmlns="http://sns.amazonaws.com/doc/2010-03-31/">
-...
-*/
-
-request(aws4.sign({service: 'sts', path: '/?Action=GetSessionToken&Version=2011-06-15'}))
-/*
-<GetSessionTokenResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
-...
-*/
-
-request(aws4.sign({service: 'cloudsearch', path: '/?Action=ListDomainNames&Version=2013-01-01'}))
-/*
-<ListDomainNamesResponse xmlns="http://cloudsearch.amazonaws.com/doc/2013-01-01/">
-...
-*/
-
-request(aws4.sign({service: 'ses', path: '/?Action=ListIdentities&Version=2010-12-01'}))
-/*
-<ListIdentitiesResponse xmlns="http://ses.amazonaws.com/doc/2010-12-01/">
-...
-*/
-
-request(aws4.sign({service: 'autoscaling', path: '/?Action=DescribeAutoScalingInstances&Version=2011-01-01'}))
-/*
-<DescribeAutoScalingInstancesResponse xmlns="http://autoscaling.amazonaws.com/doc/2011-01-01/">
-...
-*/
-
-request(aws4.sign({service: 'elasticloadbalancing', path: '/?Action=DescribeLoadBalancers&Version=2012-06-01'}))
-/*
-<DescribeLoadBalancersResponse xmlns="http://elasticloadbalancing.amazonaws.com/doc/2012-06-01/">
-...
-*/
-
-request(aws4.sign({service: 'cloudformation', path: '/?Action=ListStacks&Version=2010-05-15'}))
-/*
-<ListStacksResponse xmlns="http://cloudformation.amazonaws.com/doc/2010-05-15/">
-...
-*/
-
-request(aws4.sign({service: 'elasticbeanstalk', path: '/?Action=ListAvailableSolutionStacks&Version=2010-12-01'}))
-/*
-<ListAvailableSolutionStacksResponse xmlns="http://elasticbeanstalk.amazonaws.com/docs/2010-12-01/">
-...
-*/
-
-request(aws4.sign({service: 'rds', path: '/?Action=DescribeDBInstances&Version=2012-09-17'}))
-/*
-<DescribeDBInstancesResponse xmlns="http://rds.amazonaws.com/doc/2012-09-17/">
-...
-*/
-
-request(aws4.sign({service: 'monitoring', path: '/?Action=ListMetrics&Version=2010-08-01'}))
-/*
-<ListMetricsResponse xmlns="http://monitoring.amazonaws.com/doc/2010-08-01/">
-...
-*/
-
-request(aws4.sign({service: 'redshift', path: '/?Action=DescribeClusters&Version=2012-12-01'}))
-/*
-<DescribeClustersResponse xmlns="http://redshift.amazonaws.com/doc/2012-12-01/">
-...
-*/
-
-request(aws4.sign({service: 'cloudfront', path: '/2014-05-31/distribution'}))
-/*
-<DistributionList xmlns="http://cloudfront.amazonaws.com/doc/2014-05-31/">
-...
-*/
-
-request(aws4.sign({service: 'elasticache', path: '/?Action=DescribeCacheClusters&Version=2014-07-15'}))
-/*
-<DescribeCacheClustersResponse xmlns="http://elasticache.amazonaws.com/doc/2014-07-15/">
-...
-*/
-
-request(aws4.sign({service: 'elasticmapreduce', path: '/?Action=DescribeJobFlows&Version=2009-03-31'}))
-/*
-<DescribeJobFlowsResponse xmlns="http://elasticmapreduce.amazonaws.com/doc/2009-03-31">
-...
-*/
-
-request(aws4.sign({service: 'route53', path: '/2013-04-01/hostedzone'}))
-/*
-<ListHostedZonesResponse xmlns="https://route53.amazonaws.com/doc/2013-04-01/">
-...
-*/
-
-request(aws4.sign({service: 'appstream', path: '/applications'}))
-/*
-{"_links":{"curie":[{"href":"http://docs.aws.amazon.com/appstream/latest/...
-...
-*/
-
-request(aws4.sign({service: 'cognito-sync', path: '/identitypools'}))
-/*
-{"Count":0,"IdentityPoolUsages":[],"MaxResults":16,"NextToken":null}
-...
-*/
-
-request(aws4.sign({service: 'elastictranscoder', path: '/2012-09-25/pipelines'}))
-/*
-{"NextPageToken":null,"Pipelines":[]}
-...
-*/
-
-request(aws4.sign({service: 'lambda', path: '/2014-11-13/functions/'}))
-/*
-{"Functions":[],"NextMarker":null}
-...
-*/
-
-request(aws4.sign({service: 'ecs', path: '/?Action=ListClusters&Version=2014-11-13'}))
-/*
-<ListClustersResponse xmlns="http://ecs.amazonaws.com/doc/2014-11-13/">
-...
-*/
-
-request(aws4.sign({service: 'glacier', path: '/-/vaults', headers: {'X-Amz-Glacier-Version': '2012-06-01'}}))
-/*
-{"Marker":null,"VaultList":[]}
-...
-*/
-
-request(aws4.sign({service: 'storagegateway', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'StorageGateway_20120630.ListGateways'
-}}))
-/*
-{"Gateways":[]}
-...
-*/
-
-request(aws4.sign({service: 'datapipeline', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'DataPipeline.ListPipelines'
-}}))
-/*
-{"hasMoreResults":false,"pipelineIdList":[]}
-...
-*/
-
-request(aws4.sign({service: 'opsworks', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'OpsWorks_20130218.DescribeStacks'
-}}))
-/*
-{"Stacks":[]}
-...
-*/
-
-request(aws4.sign({service: 'route53domains', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'Route53Domains_v20140515.ListDomains'
-}}))
-/*
-{"Domains":[]}
-...
-*/
-
-request(aws4.sign({service: 'kinesis', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'Kinesis_20131202.ListStreams'
-}}))
-/*
-{"HasMoreStreams":false,"StreamNames":[]}
-...
-*/
-
-request(aws4.sign({service: 'cloudtrail', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'CloudTrail_20131101.DescribeTrails'
-}}))
-/*
-{"trailList":[]}
-...
-*/
-
-request(aws4.sign({service: 'logs', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'Logs_20140328.DescribeLogGroups'
-}}))
-/*
-{"logGroups":[]}
-...
-*/
-
-request(aws4.sign({service: 'codedeploy', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'CodeDeploy_20141006.ListApplications'
-}}))
-/*
-{"applications":[]}
-...
-*/
-
-request(aws4.sign({service: 'directconnect', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'OvertureService.DescribeConnections'
-}}))
-/*
-{"connections":[]}
-...
-*/
-
-request(aws4.sign({service: 'kms', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'TrentService.ListKeys'
-}}))
-/*
-{"Keys":[],"Truncated":false}
-...
-*/
-
-request(aws4.sign({service: 'config', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'StarlingDoveService.DescribeDeliveryChannels'
-}}))
-/*
-{"DeliveryChannels":[]}
-...
-*/
-
-request(aws4.sign({service: 'cloudhsm', body: '{}', headers: {
-  'Content-Type': 'application/x-amz-json-1.1',
-  'X-Amz-Target': 'CloudHsmFrontendService.ListAvailableZones'
-}}))
-/*
-{"AZList":["us-east-1a","us-east-1b","us-east-1c"]}
-...
-*/
-
-request(aws4.sign({
-  service: 'swf',
-  body: '{"registrationStatus":"REGISTERED"}',
-  headers: {
-    'Content-Type': 'application/x-amz-json-1.0',
-    'X-Amz-Target': 'SimpleWorkflowService.ListDomains'
-  }
-}))
-/*
-{"domainInfos":[]}
-...
-*/
-
-request(aws4.sign({
-  service: 'cognito-identity',
-  body: '{"MaxResults": 1}',
-  headers: {
-    'Content-Type': 'application/x-amz-json-1.1',
-    'X-Amz-Target': 'AWSCognitoIdentityService.ListIdentityPools'
-  }
-}))
-/*
-{"IdentityPools":[]}
-...
-*/
-
-request(aws4.sign({
-  service: 'mobileanalytics',
-  path: '/2014-06-05/events',
-  body: JSON.stringify({events:[{
-    eventType: 'a',
-    timestamp: new Date().toISOString(),
-    session: {},
-  }]}),
-  headers: {
-    'Content-Type': 'application/json',
-    'X-Amz-Client-Context': JSON.stringify({
-      client: {client_id: 'a', app_title: 'a'},
-      custom: {},
-      env: {platform: 'a'},
-      services: {},
-    }),
-  }
-}))
-/*
-(HTTP 202, empty response)
-*/
-
-// Generate CodeCommit Git access password
-var signer = new aws4.RequestSigner({
-  service: 'codecommit',
-  host: 'git-codecommit.us-east-1.amazonaws.com',
-  method: 'GIT',
-  path: '/v1/repos/MyAwesomeRepo',
-})
-var password = signer.getDateTime() + 'Z' + signer.signature()
-```
-
-API
----
-
-### aws4.sign(requestOptions, [credentials])
-
-This calculates and populates the `Authorization` header of
-`requestOptions`, and any other necessary AWS headers and/or request
-options. Returns `requestOptions` as a convenience for chaining.
-
-`requestOptions` is an object holding the same options that the node.js
-[http.request](http://nodejs.org/docs/latest/api/http.html#http_http_request_options_callback)
-function takes.
-
-The following properties of `requestOptions` are used in the signing or
-populated if they don't already exist:
-
-- `hostname` or `host` (will be determined from `service` and `region` if not given)
-- `method` (will use `'GET'` if not given or `'POST'` if there is a `body`)
-- `path` (will use `'/'` if not given)
-- `body` (will use `''` if not given)
-- `service` (will be calculated from `hostname` or `host` if not given)
-- `region` (will be calculated from `hostname` or `host` or use `'us-east-1'` if not given)
-- `headers['Host']` (will use `hostname` or `host` or be calculated if not given)
-- `headers['Content-Type']` (will use `'application/x-www-form-urlencoded; charset=utf-8'`
-  if not given and there is a `body`)
-- `headers['Date']` (used to calculate the signature date if given, otherwise `new Date` is used)
-
-Your AWS credentials (which can be found in your
-[AWS console](https://portal.aws.amazon.com/gp/aws/securityCredentials))
-can be specified in one of two ways:
-
-- As the second argument, like this:
-
-```javascript
-aws4.sign(requestOptions, {
-  secretAccessKey: "<your-secret-access-key>",
-  accessKeyId: "<your-access-key-id>",
-  sessionToken: "<your-session-token>"
-})
-```
-
-- From `process.env`, such as this:
-
-```
-export AWS_SECRET_ACCESS_KEY="<your-secret-access-key>"
-export AWS_ACCESS_KEY_ID="<your-access-key-id>"
-export AWS_SESSION_TOKEN="<your-session-token>"
-```
-
-(will also use `AWS_ACCESS_KEY` and `AWS_SECRET_KEY` if available)
-
-The `sessionToken` property and `AWS_SESSION_TOKEN` environment variable are optional for signing
-with [IAM STS temporary credentials](http://docs.aws.amazon.com/STS/latest/UsingSTS/using-temp-creds.html).
-
-Installation
-------------
-
-With [npm](http://npmjs.org/) do:
-
-```
-npm install aws4
-```
-
-Can also be used [in the browser](./browser).
-
-Thanks
-------
-
-Thanks to [@jed](https://github.com/jed) for his
-[dynamo-client](https://github.com/jed/dynamo-client) lib where I first
-committed and subsequently extracted this code.
-
-Also thanks to the
-[official node.js AWS SDK](https://github.com/aws/aws-sdk-js) for giving
-me a start on implementing the v4 signature.
-
diff --git a/node_modules/aws4/aws4.js b/node_modules/aws4/aws4.js
deleted file mode 100644
index 0cff0f0..0000000
--- a/node_modules/aws4/aws4.js
+++ /dev/null
@@ -1,332 +0,0 @@
-var aws4 = exports,
-    url = require('url'),
-    querystring = require('querystring'),
-    crypto = require('crypto'),
-    lru = require('./lru'),
-    credentialsCache = lru(1000)
-
-// http://docs.amazonwebservices.com/general/latest/gr/signature-version-4.html
-
-function hmac(key, string, encoding) {
-  return crypto.createHmac('sha256', key).update(string, 'utf8').digest(encoding)
-}
-
-function hash(string, encoding) {
-  return crypto.createHash('sha256').update(string, 'utf8').digest(encoding)
-}
-
-// This function assumes the string has already been percent encoded
-function encodeRfc3986(urlEncodedString) {
-  return urlEncodedString.replace(/[!'()*]/g, function(c) {
-    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
-  })
-}
-
-// request: { path | body, [host], [method], [headers], [service], [region] }
-// credentials: { accessKeyId, secretAccessKey, [sessionToken] }
-function RequestSigner(request, credentials) {
-
-  if (typeof request === 'string') request = url.parse(request)
-
-  var headers = request.headers = (request.headers || {}),
-      hostParts = this.matchHost(request.hostname || request.host || headers.Host || headers.host)
-
-  this.request = request
-  this.credentials = credentials || this.defaultCredentials()
-
-  this.service = request.service || hostParts[0] || ''
-  this.region = request.region || hostParts[1] || 'us-east-1'
-
-  // SES uses a different domain from the service name
-  if (this.service === 'email') this.service = 'ses'
-
-  if (!request.method && request.body)
-    request.method = 'POST'
-
-  if (!headers.Host && !headers.host) {
-    headers.Host = request.hostname || request.host || this.createHost()
-
-    // If a port is specified explicitly, use it as is
-    if (request.port)
-      headers.Host += ':' + request.port
-  }
-  if (!request.hostname && !request.host)
-    request.hostname = headers.Host || headers.host
-
-  this.isCodeCommitGit = this.service === 'codecommit' && request.method === 'GIT'
-}
-
-RequestSigner.prototype.matchHost = function(host) {
-  var match = (host || '').match(/([^\.]+)\.(?:([^\.]*)\.)?amazonaws\.com$/)
-  var hostParts = (match || []).slice(1, 3)
-
-  // ES's hostParts are sometimes the other way round, if the value that is expected
-  // to be region equals ‘es’ switch them back
-  // e.g. search-cluster-name-aaaa00aaaa0aaa0aaaaaaa0aaa.us-east-1.es.amazonaws.com
-  if (hostParts[1] === 'es')
-    hostParts = hostParts.reverse()
-
-  return hostParts
-}
-
-// http://docs.aws.amazon.com/general/latest/gr/rande.html
-RequestSigner.prototype.isSingleRegion = function() {
-  // Special case for S3 and SimpleDB in us-east-1
-  if (['s3', 'sdb'].indexOf(this.service) >= 0 && this.region === 'us-east-1') return true
-
-  return ['cloudfront', 'ls', 'route53', 'iam', 'importexport', 'sts']
-    .indexOf(this.service) >= 0
-}
-
-RequestSigner.prototype.createHost = function() {
-  var region = this.isSingleRegion() ? '' :
-        (this.service === 's3' && this.region !== 'us-east-1' ? '-' : '.') + this.region,
-      service = this.service === 'ses' ? 'email' : this.service
-  return service + region + '.amazonaws.com'
-}
-
-RequestSigner.prototype.prepareRequest = function() {
-  this.parsePath()
-
-  var request = this.request, headers = request.headers, query
-
-  if (request.signQuery) {
-
-    this.parsedPath.query = query = this.parsedPath.query || {}
-
-    if (this.credentials.sessionToken)
-      query['X-Amz-Security-Token'] = this.credentials.sessionToken
-
-    if (this.service === 's3' && !query['X-Amz-Expires'])
-      query['X-Amz-Expires'] = 86400
-
-    if (query['X-Amz-Date'])
-      this.datetime = query['X-Amz-Date']
-    else
-      query['X-Amz-Date'] = this.getDateTime()
-
-    query['X-Amz-Algorithm'] = 'AWS4-HMAC-SHA256'
-    query['X-Amz-Credential'] = this.credentials.accessKeyId + '/' + this.credentialString()
-    query['X-Amz-SignedHeaders'] = this.signedHeaders()
-
-  } else {
-
-    if (!request.doNotModifyHeaders && !this.isCodeCommitGit) {
-      if (request.body && !headers['Content-Type'] && !headers['content-type'])
-        headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=utf-8'
-
-      if (request.body && !headers['Content-Length'] && !headers['content-length'])
-        headers['Content-Length'] = Buffer.byteLength(request.body)
-
-      if (this.credentials.sessionToken && !headers['X-Amz-Security-Token'] && !headers['x-amz-security-token'])
-        headers['X-Amz-Security-Token'] = this.credentials.sessionToken
-
-      if (this.service === 's3' && !headers['X-Amz-Content-Sha256'] && !headers['x-amz-content-sha256'])
-        headers['X-Amz-Content-Sha256'] = hash(this.request.body || '', 'hex')
-
-      if (headers['X-Amz-Date'] || headers['x-amz-date'])
-        this.datetime = headers['X-Amz-Date'] || headers['x-amz-date']
-      else
-        headers['X-Amz-Date'] = this.getDateTime()
-    }
-
-    delete headers.Authorization
-    delete headers.authorization
-  }
-}
-
-RequestSigner.prototype.sign = function() {
-  if (!this.parsedPath) this.prepareRequest()
-
-  if (this.request.signQuery) {
-    this.parsedPath.query['X-Amz-Signature'] = this.signature()
-  } else {
-    this.request.headers.Authorization = this.authHeader()
-  }
-
-  this.request.path = this.formatPath()
-
-  return this.request
-}
-
-RequestSigner.prototype.getDateTime = function() {
-  if (!this.datetime) {
-    var headers = this.request.headers,
-      date = new Date(headers.Date || headers.date || new Date)
-
-    this.datetime = date.toISOString().replace(/[:\-]|\.\d{3}/g, '')
-
-    // Remove the trailing 'Z' on the timestamp string for CodeCommit git access
-    if (this.isCodeCommitGit) this.datetime = this.datetime.slice(0, -1)
-  }
-  return this.datetime
-}
-
-RequestSigner.prototype.getDate = function() {
-  return this.getDateTime().substr(0, 8)
-}
-
-RequestSigner.prototype.authHeader = function() {
-  return [
-    'AWS4-HMAC-SHA256 Credential=' + this.credentials.accessKeyId + '/' + this.credentialString(),
-    'SignedHeaders=' + this.signedHeaders(),
-    'Signature=' + this.signature(),
-  ].join(', ')
-}
-
-RequestSigner.prototype.signature = function() {
-  var date = this.getDate(),
-      cacheKey = [this.credentials.secretAccessKey, date, this.region, this.service].join(),
-      kDate, kRegion, kService, kCredentials = credentialsCache.get(cacheKey)
-  if (!kCredentials) {
-    kDate = hmac('AWS4' + this.credentials.secretAccessKey, date)
-    kRegion = hmac(kDate, this.region)
-    kService = hmac(kRegion, this.service)
-    kCredentials = hmac(kService, 'aws4_request')
-    credentialsCache.set(cacheKey, kCredentials)
-  }
-  return hmac(kCredentials, this.stringToSign(), 'hex')
-}
-
-RequestSigner.prototype.stringToSign = function() {
-  return [
-    'AWS4-HMAC-SHA256',
-    this.getDateTime(),
-    this.credentialString(),
-    hash(this.canonicalString(), 'hex'),
-  ].join('\n')
-}
-
-RequestSigner.prototype.canonicalString = function() {
-  if (!this.parsedPath) this.prepareRequest()
-
-  var pathStr = this.parsedPath.path,
-      query = this.parsedPath.query,
-      headers = this.request.headers,
-      queryStr = '',
-      normalizePath = this.service !== 's3',
-      decodePath = this.service === 's3' || this.request.doNotEncodePath,
-      decodeSlashesInPath = this.service === 's3',
-      firstValOnly = this.service === 's3',
-      bodyHash
-
-  if (this.service === 's3' && this.request.signQuery) {
-    bodyHash = 'UNSIGNED-PAYLOAD'
-  } else if (this.isCodeCommitGit) {
-    bodyHash = ''
-  } else {
-    bodyHash = headers['X-Amz-Content-Sha256'] || headers['x-amz-content-sha256'] ||
-      hash(this.request.body || '', 'hex')
-  }
-
-  if (query) {
-    queryStr = encodeRfc3986(querystring.stringify(Object.keys(query).sort().reduce(function(obj, key) {
-      if (!key) return obj
-      obj[key] = !Array.isArray(query[key]) ? query[key] :
-        (firstValOnly ? query[key][0] : query[key].slice().sort())
-      return obj
-    }, {})))
-  }
-  if (pathStr !== '/') {
-    if (normalizePath) pathStr = pathStr.replace(/\/{2,}/g, '/')
-    pathStr = pathStr.split('/').reduce(function(path, piece) {
-      if (normalizePath && piece === '..') {
-        path.pop()
-      } else if (!normalizePath || piece !== '.') {
-        if (decodePath) piece = querystring.unescape(piece)
-        path.push(encodeRfc3986(querystring.escape(piece)))
-      }
-      return path
-    }, []).join('/')
-    if (pathStr[0] !== '/') pathStr = '/' + pathStr
-    if (decodeSlashesInPath) pathStr = pathStr.replace(/%2F/g, '/')
-  }
-
-  return [
-    this.request.method || 'GET',
-    pathStr,
-    queryStr,
-    this.canonicalHeaders() + '\n',
-    this.signedHeaders(),
-    bodyHash,
-  ].join('\n')
-}
-
-RequestSigner.prototype.canonicalHeaders = function() {
-  var headers = this.request.headers
-  function trimAll(header) {
-    return header.toString().trim().replace(/\s+/g, ' ')
-  }
-  return Object.keys(headers)
-    .sort(function(a, b) { return a.toLowerCase() < b.toLowerCase() ? -1 : 1 })
-    .map(function(key) { return key.toLowerCase() + ':' + trimAll(headers[key]) })
-    .join('\n')
-}
-
-RequestSigner.prototype.signedHeaders = function() {
-  return Object.keys(this.request.headers)
-    .map(function(key) { return key.toLowerCase() })
-    .sort()
-    .join(';')
-}
-
-RequestSigner.prototype.credentialString = function() {
-  return [
-    this.getDate(),
-    this.region,
-    this.service,
-    'aws4_request',
-  ].join('/')
-}
-
-RequestSigner.prototype.defaultCredentials = function() {
-  var env = process.env
-  return {
-    accessKeyId: env.AWS_ACCESS_KEY_ID || env.AWS_ACCESS_KEY,
-    secretAccessKey: env.AWS_SECRET_ACCESS_KEY || env.AWS_SECRET_KEY,
-    sessionToken: env.AWS_SESSION_TOKEN,
-  }
-}
-
-RequestSigner.prototype.parsePath = function() {
-  var path = this.request.path || '/',
-      queryIx = path.indexOf('?'),
-      query = null
-
-  if (queryIx >= 0) {
-    query = querystring.parse(path.slice(queryIx + 1))
-    path = path.slice(0, queryIx)
-  }
-
-  // S3 doesn't always encode characters > 127 correctly and
-  // all services don't encode characters > 255 correctly
-  // So if there are non-reserved chars (and it's not already all % encoded), just encode them all
-  if (/[^0-9A-Za-z!'()*\-._~%/]/.test(path)) {
-    path = path.split('/').map(function(piece) {
-      return querystring.escape(querystring.unescape(piece))
-    }).join('/')
-  }
-
-  this.parsedPath = {
-    path: path,
-    query: query,
-  }
-}
-
-RequestSigner.prototype.formatPath = function() {
-  var path = this.parsedPath.path,
-      query = this.parsedPath.query
-
-  if (!query) return path
-
-  // Services don't support empty query string keys
-  if (query[''] != null) delete query['']
-
-  return path + '?' + encodeRfc3986(querystring.stringify(query))
-}
-
-aws4.RequestSigner = RequestSigner
-
-aws4.sign = function(request, credentials) {
-  return new RequestSigner(request, credentials).sign()
-}
diff --git a/node_modules/aws4/lru.js b/node_modules/aws4/lru.js
deleted file mode 100644
index 333f66a..0000000
--- a/node_modules/aws4/lru.js
+++ /dev/null
@@ -1,96 +0,0 @@
-module.exports = function(size) {
-  return new LruCache(size)
-}
-
-function LruCache(size) {
-  this.capacity = size | 0
-  this.map = Object.create(null)
-  this.list = new DoublyLinkedList()
-}
-
-LruCache.prototype.get = function(key) {
-  var node = this.map[key]
-  if (node == null) return undefined
-  this.used(node)
-  return node.val
-}
-
-LruCache.prototype.set = function(key, val) {
-  var node = this.map[key]
-  if (node != null) {
-    node.val = val
-  } else {
-    if (!this.capacity) this.prune()
-    if (!this.capacity) return false
-    node = new DoublyLinkedNode(key, val)
-    this.map[key] = node
-    this.capacity--
-  }
-  this.used(node)
-  return true
-}
-
-LruCache.prototype.used = function(node) {
-  this.list.moveToFront(node)
-}
-
-LruCache.prototype.prune = function() {
-  var node = this.list.pop()
-  if (node != null) {
-    delete this.map[node.key]
-    this.capacity++
-  }
-}
-
-
-function DoublyLinkedList() {
-  this.firstNode = null
-  this.lastNode = null
-}
-
-DoublyLinkedList.prototype.moveToFront = function(node) {
-  if (this.firstNode == node) return
-
-  this.remove(node)
-
-  if (this.firstNode == null) {
-    this.firstNode = node
-    this.lastNode = node
-    node.prev = null
-    node.next = null
-  } else {
-    node.prev = null
-    node.next = this.firstNode
-    node.next.prev = node
-    this.firstNode = node
-  }
-}
-
-DoublyLinkedList.prototype.pop = function() {
-  var lastNode = this.lastNode
-  if (lastNode != null) {
-    this.remove(lastNode)
-  }
-  return lastNode
-}
-
-DoublyLinkedList.prototype.remove = function(node) {
-  if (this.firstNode == node) {
-    this.firstNode = node.next
-  } else if (node.prev != null) {
-    node.prev.next = node.next
-  }
-  if (this.lastNode == node) {
-    this.lastNode = node.prev
-  } else if (node.next != null) {
-    node.next.prev = node.prev
-  }
-}
-
-
-function DoublyLinkedNode(key, val) {
-  this.key = key
-  this.val = val
-  this.prev = null
-  this.next = null
-}
diff --git a/node_modules/aws4/package.json b/node_modules/aws4/package.json
deleted file mode 100644
index 4321a84..0000000
--- a/node_modules/aws4/package.json
+++ /dev/null
@@ -1,104 +0,0 @@
-{
-  "_from": "aws4@^1.6.0",
-  "_id": "[email protected]",
-  "_inBundle": false,
-  "_integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4=",
-  "_location": "/aws4",
-  "_phantomChildren": {},
-  "_requested": {
-    "type": "range",
-    "registry": true,
-    "raw": "aws4@^1.6.0",
-    "name": "aws4",
-    "escapedName": "aws4",
-    "rawSpec": "^1.6.0",
-    "saveSpec": null,
-    "fetchSpec": "^1.6.0"
-  },
-  "_requiredBy": [
-    "/request"
-  ],
-  "_resolved": "https://registry.npmjs.org/aws4/-/aws4-1.6.0.tgz",
-  "_shasum": "83ef5ca860b2b32e4a0deedee8c771b9db57471e",
-  "_spec": "aws4@^1.6.0",
-  "_where": "/Users/armanshah/Desktop/node-projects/shopping-list/node_modules/request",
-  "author": {
-    "name": "Michael Hart",
-    "email": "[email protected]",
-    "url": "http://github.com/mhart"
-  },
-  "bugs": {
-    "url": "https://github.com/mhart/aws4/issues"
-  },
-  "bundleDependencies": false,
-  "deprecated": false,
-  "description": "Signs and prepares requests using AWS Signature Version 4",
-  "devDependencies": {
-    "mocha": "^2.4.5",
-    "should": "^8.2.2"
-  },
-  "homepage": "https://github.com/mhart/aws4#readme",
-  "keywords": [
-    "amazon",
-    "aws",
-    "signature",
-    "s3",
-    "ec2",
-    "autoscaling",
-    "cloudformation",
-    "elasticloadbalancing",
-    "elb",
-    "elasticbeanstalk",
-    "cloudsearch",
-    "dynamodb",
-    "kinesis",
-    "lambda",
-    "glacier",
-    "sqs",
-    "sns",
-    "iam",
-    "sts",
-    "ses",
-    "swf",
-    "storagegateway",
-    "datapipeline",
-    "directconnect",
-    "redshift",
-    "opsworks",
-    "rds",
-    "monitoring",
-    "cloudtrail",
-    "cloudfront",
-    "codedeploy",
-    "elasticache",
-    "elasticmapreduce",
-    "elastictranscoder",
-    "emr",
-    "cloudwatch",
-    "mobileanalytics",
-    "cognitoidentity",
-    "cognitosync",
-    "cognito",
-    "containerservice",
-    "ecs",
-    "appstream",
-    "keymanagementservice",
-    "kms",
-    "config",
-    "cloudhsm",
-    "route53",
-    "route53domains",
-    "logs"
-  ],
-  "license": "MIT",
-  "main": "aws4.js",
-  "name": "aws4",
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/mhart/aws4.git"
-  },
-  "scripts": {
-    "test": "mocha ./test/fast.js ./test/slow.js -b -t 100s -R list"
-  },
-  "version": "1.6.0"
-}