diff --git a/node_modules/request/.travis.yml b/node_modules/request/.travis.yml
index c24c59b5d5b..e5d9bde2626 100644
--- a/node_modules/request/.travis.yml
+++ b/node_modules/request/.travis.yml
@@ -1,15 +1,19 @@
 language: node_js
+
 node_js:
   - node
-  - io.js
   - 0.12
   - 0.10
-sudo: false
 
-after_script: "npm run test-cov && cat ./coverage/lcov.info | codecov && cat ./coverage/lcov.info | coveralls"
+after_script:
+  - npm run test-cov
+  - cat ./coverage/lcov.info | codecov
+  - cat ./coverage/lcov.info | coveralls
 
 webhooks:
   urls: https://webhooks.gitter.im/e/237280ed4796c19cc626
   on_success: change  # options: [always|never|change] default: always
   on_failure: always  # options: [always|never|change] default: always
   on_start: false     # default: false
+
+sudo: false
diff --git a/node_modules/request/CHANGELOG.md b/node_modules/request/CHANGELOG.md
index 34f8e732586..ce6826f2f65 100644
--- a/node_modules/request/CHANGELOG.md
+++ b/node_modules/request/CHANGELOG.md
@@ -1,5 +1,16 @@
 ## Change Log
 
+### v2.72.0 (2016/04/17)
+- [#2176](https://github.com/request/request/pull/2176) Do not try to pipe Gzip responses with no body (@simov)
+- [#2175](https://github.com/request/request/pull/2175) Add 'delete' alias for the 'del' API method (@simov, @MuhanZou)
+- [#2172](https://github.com/request/request/pull/2172) Add support for deflate content encoding (@czardoz)
+- [#2169](https://github.com/request/request/pull/2169) Add callback option (@simov)
+- [#2165](https://github.com/request/request/pull/2165) Check for self.req existence inside the write method (@simov)
+- [#2167](https://github.com/request/request/pull/2167) Fix TravisCI badge reference master branch (@a0viedo)
+
+### v2.71.0 (2016/04/12)
+- [#2164](https://github.com/request/request/pull/2164) Catch errors from the underlying http module (@simov)
+
 ### v2.70.0 (2016/04/05)
 - [#2147](https://github.com/request/request/pull/2147) Update eslint to version 2.5.3 🚀 (@simov, @greenkeeperio-bot)
 - [#2009](https://github.com/request/request/pull/2009) Support JSON stringify replacer argument. (@elyobo)
diff --git a/node_modules/request/README.md b/node_modules/request/README.md
index 64c43e742fa..cf9072a21a2 100644
--- a/node_modules/request/README.md
+++ b/node_modules/request/README.md
@@ -3,7 +3,7 @@
 
 [![npm package](https://nodei.co/npm/request.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/request/)
 
-[![Build status](https://img.shields.io/travis/request/request.svg?style=flat-square)](https://travis-ci.org/request/request)
+[![Build status](https://img.shields.io/travis/request/request/master.svg?style=flat-square)](https://travis-ci.org/request/request)
 [![Coverage](https://img.shields.io/codecov/c/github/request/request.svg?style=flat-square)](https://codecov.io/github/request/request?branch=master)
 [![Coverage](https://img.shields.io/coveralls/request/request.svg?style=flat-square)](https://coveralls.io/r/request/request)
 [![Dependency Status](https://img.shields.io/david/request/request.svg?style=flat-square)](https://david-dm.org/request/request)
@@ -814,6 +814,7 @@ default in Linux can be anywhere from 20-120 seconds][linux-timeout]).
 
 - `time` - If `true`, the request-response cycle (including all redirects) is timed at millisecond resolution, and the result provided on the response's `elapsedTime` property.
 - `har` - A [HAR 1.2 Request Object](http://www.softwareishard.com/blog/har-12-spec/#request), will be processed from HAR format into options overwriting matching values *(see the [HAR 1.2 section](#support-for-har-1.2) for details)*
+- `callback` - alternatively pass the request's callback in the options object
 
 The callback argument gets 3 arguments:
 
@@ -888,12 +889,13 @@ Same as `request()`, but defaults to `method: "HEAD"`.
 request.head(url)
 ```
 
-### request.del
+### request.del / request.delete
 
 Same as `request()`, but defaults to `method: "DELETE"`.
 
 ```js
 request.del(url)
+request.delete(url)
 ```
 
 ### request.get
diff --git a/node_modules/request/index.js b/node_modules/request/index.js
index 4d0c748da58..911a90dbb5a 100755
--- a/node_modules/request/index.js
+++ b/node_modules/request/index.js
@@ -37,7 +37,7 @@ function initParams(uri, options, callback) {
     extend(params, uri)
   }
 
-  params.callback = callback
+  params.callback = callback || params.callback
   return params
 }
 
@@ -56,7 +56,7 @@ function request (uri, options, callback) {
 }
 
 function verbFunc (verb) {
-  var method = verb === 'del' ? 'DELETE' : verb.toUpperCase()
+  var method = verb.toUpperCase()
   return function (uri, options, callback) {
     var params = initParams(uri, options, callback)
     params.method = method
@@ -70,7 +70,8 @@ request.head = verbFunc('head')
 request.post = verbFunc('post')
 request.put = verbFunc('put')
 request.patch = verbFunc('patch')
-request.del = verbFunc('del')
+request.del = verbFunc('delete')
+request['delete'] = verbFunc('delete')
 
 request.jar = function (store) {
   return cookies.jar(store)
@@ -91,7 +92,7 @@ function wrapRequestMethod (method, options, requester, verb) {
     target.pool = params.pool || options.pool
 
     if (verb) {
-      target.method = (verb === 'del' ? 'DELETE' : verb.toUpperCase())
+      target.method = verb.toUpperCase()
     }
 
     if (isFunction(requester)) {
@@ -114,7 +115,7 @@ request.defaults = function (options, requester) {
 
   var defaults      = wrapRequestMethod(self, options, requester)
 
-  var verbs = ['get', 'head', 'post', 'put', 'patch', 'del']
+  var verbs = ['get', 'head', 'post', 'put', 'patch', 'del', 'delete']
   verbs.forEach(function(verb) {
     defaults[verb]  = wrapRequestMethod(self[verb], options, requester, verb)
   })
diff --git a/node_modules/request/node_modules/har-validator/node_modules/pinkie-promise/index.js b/node_modules/request/node_modules/har-validator/node_modules/pinkie-promise/index.js
index cc64b902c80..777377a1f77 100644
--- a/node_modules/request/node_modules/har-validator/node_modules/pinkie-promise/index.js
+++ b/node_modules/request/node_modules/har-validator/node_modules/pinkie-promise/index.js
@@ -1,3 +1,3 @@
 'use strict';
 
-module.exports = global.Promise || require('pinkie');
+module.exports = typeof Promise === 'function' ? Promise : require('pinkie');
diff --git a/node_modules/request/node_modules/har-validator/node_modules/pinkie-promise/package.json b/node_modules/request/node_modules/har-validator/node_modules/pinkie-promise/package.json
index 82ca19807dd..438996b7ea8 100644
--- a/node_modules/request/node_modules/har-validator/node_modules/pinkie-promise/package.json
+++ b/node_modules/request/node_modules/har-validator/node_modules/pinkie-promise/package.json
@@ -2,20 +2,24 @@
   "_args": [
     [
       "pinkie-promise@^2.0.0",
-      "/Users/ogd/Documents/projects/npm/npm/node_modules/request/node_modules/har-validator"
+      "/Users/rebecca/code/npm/node_modules/request/node_modules/har-validator"
     ]
   ],
   "_from": "pinkie-promise@>=2.0.0 <3.0.0",
-  "_id": "pinkie-promise@2.0.0",
+  "_id": "pinkie-promise@2.0.1",
   "_inCache": true,
   "_installable": true,
   "_location": "/request/har-validator/pinkie-promise",
-  "_nodeVersion": "4.2.0",
+  "_nodeVersion": "4.4.1",
+  "_npmOperationalInternal": {
+    "host": "packages-16-east.internal.npmjs.com",
+    "tmp": "tmp/pinkie-promise-2.0.1.tgz_1460309839126_0.3422858319245279"
+  },
   "_npmUser": {
     "email": "floatdrop@gmail.com",
     "name": "floatdrop"
   },
-  "_npmVersion": "2.14.7",
+  "_npmVersion": "2.14.20",
   "_phantomChildren": {},
   "_requested": {
     "name": "pinkie-promise",
@@ -28,11 +32,11 @@
   "_requiredBy": [
     "/request/har-validator"
   ],
-  "_resolved": "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.0.tgz",
-  "_shasum": "4c83538de1f6e660c29e0a13446844f7a7e88259",
+  "_resolved": "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz",
+  "_shasum": "2135d6dfa7a358c069ac9b178776288228450ffa",
   "_shrinkwrap": null,
   "_spec": "pinkie-promise@^2.0.0",
-  "_where": "/Users/ogd/Documents/projects/npm/npm/node_modules/request/node_modules/har-validator",
+  "_where": "/Users/rebecca/code/npm/node_modules/request/node_modules/har-validator",
   "author": {
     "email": "floatdrop@gmail.com",
     "name": "Vsevolod Strukchinsky",
@@ -50,8 +54,8 @@
   },
   "directories": {},
   "dist": {
-    "shasum": "4c83538de1f6e660c29e0a13446844f7a7e88259",
-    "tarball": "http://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.0.tgz"
+    "shasum": "2135d6dfa7a358c069ac9b178776288228450ffa",
+    "tarball": "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz"
   },
   "engines": {
     "node": ">=0.10.0"
@@ -59,21 +63,21 @@
   "files": [
     "index.js"
   ],
-  "gitHead": "f90fcae9838bcae7ae1ae4ebc9b29f11e5db4980",
+  "gitHead": "4a936c09c34ad591a25db93f1216d242de0d6184",
   "homepage": "https://github.com/floatdrop/pinkie-promise",
   "keywords": [
+    "promise",
+    "promises",
     "es2015",
     "es6",
     "polyfill",
-    "ponyfill",
-    "promise",
-    "promises"
+    "ponyfill"
   ],
   "license": "MIT",
   "maintainers": [
     {
-      "name": "floatdrop",
-      "email": "floatdrop@gmail.com"
+      "email": "floatdrop@gmail.com",
+      "name": "floatdrop"
     }
   ],
   "name": "pinkie-promise",
@@ -86,5 +90,5 @@
   "scripts": {
     "test": "mocha"
   },
-  "version": "2.0.0"
+  "version": "2.0.1"
 }
diff --git a/node_modules/request/package.json b/node_modules/request/package.json
index 62960bd71a4..6c9fa0ec836 100644
--- a/node_modules/request/package.json
+++ b/node_modules/request/package.json
@@ -6,14 +6,14 @@
     ]
   ],
   "_from": "request@latest",
-  "_id": "request@2.70.0",
+  "_id": "request@2.72.0",
   "_inCache": true,
   "_installable": true,
   "_location": "/request",
   "_nodeVersion": "5.9.0",
   "_npmOperationalInternal": {
     "host": "packages-12-west.internal.npmjs.com",
-    "tmp": "tmp/request-2.70.0.tgz_1459850846109_0.8679330893792212"
+    "tmp": "tmp/request-2.72.0.tgz_1460901215210_0.9173020373564214"
   },
   "_npmUser": {
     "email": "simeonvelichkov@gmail.com",
@@ -22,7 +22,7 @@
   "_npmVersion": "3.8.5",
   "_phantomChildren": {
     "ansi-regex": "2.0.0",
-    "readable-stream": "2.0.6",
+    "inherits": "2.0.1",
     "strip-ansi": "3.0.1"
   },
   "_requested": {
@@ -38,8 +38,8 @@
     "/node-gyp",
     "/npm-registry-client"
   ],
-  "_resolved": "https://registry.npmjs.org/request/-/request-2.70.0.tgz",
-  "_shasum": "7ecf8437d6fb553e92e2981a411b9ee2aadd7cce",
+  "_resolved": "https://registry.npmjs.org/request/-/request-2.72.0.tgz",
+  "_shasum": "0ce3a179512620b10441f14c82e21c12c0ddb4e1",
   "_shrinkwrap": null,
   "_spec": "request@latest",
   "_where": "/Users/rebecca/code/npm",
@@ -98,13 +98,13 @@
   },
   "directories": {},
   "dist": {
-    "shasum": "7ecf8437d6fb553e92e2981a411b9ee2aadd7cce",
-    "tarball": "https://registry.npmjs.org/request/-/request-2.70.0.tgz"
+    "shasum": "0ce3a179512620b10441f14c82e21c12c0ddb4e1",
+    "tarball": "https://registry.npmjs.org/request/-/request-2.72.0.tgz"
   },
   "engines": {
     "node": ">=0.8.0"
   },
-  "gitHead": "bc781cb49aafedb057719e8b1eb7850979688a85",
+  "gitHead": "6dcac13642955577592fdafb5ff3cdc8a6ff1b1b",
   "homepage": "https://github.com/request/request#readme",
   "license": "Apache-2.0",
   "main": "index.js",
@@ -146,5 +146,5 @@
     "util",
     "utility"
   ],
-  "version": "2.70.0"
+  "version": "2.72.0"
 }
diff --git a/node_modules/request/request.js b/node_modules/request/request.js
index 6310e0a6b34..124157e8677 100644
--- a/node_modules/request/request.js
+++ b/node_modules/request/request.js
@@ -399,7 +399,7 @@ Request.prototype.init = function (options) {
   }
 
   if (self.gzip && !self.hasHeader('accept-encoding')) {
-    self.setHeader('accept-encoding', 'gzip')
+    self.setHeader('accept-encoding', 'gzip, deflate')
   }
 
   if (self.uri.auth && !self.hasHeader('authorization')) {
@@ -749,7 +749,12 @@ Request.prototype.start = function () {
 
   debug('make request', self.uri.href)
 
-  self.req = self.httpModule.request(reqOptions)
+  try {
+    self.req = self.httpModule.request(reqOptions)
+  } catch (err) {
+    self.emit('error', err)
+    return
+  }
 
   if (self.timing) {
     self.startTime = new Date().getTime()
@@ -915,14 +920,29 @@ Request.prototype.onRequestResponse = function (response) {
       self._ended = true
     })
 
+    var noBody = function (code) {
+      return (
+        self.method === 'HEAD'
+        // Informational
+        || (code >= 100 && code < 200)
+        // No Content
+        || code === 204
+        // Not Modified
+        || code === 304
+      )
+    }
+
     var responseContent
-    if (self.gzip) {
+    if (self.gzip && !noBody(response.statusCode)) {
       var contentEncoding = response.headers['content-encoding'] || 'identity'
       contentEncoding = contentEncoding.trim().toLowerCase()
 
       if (contentEncoding === 'gzip') {
         responseContent = zlib.createGunzip()
         response.pipe(responseContent)
+      } else if (contentEncoding === 'deflate') {
+        responseContent = zlib.createInflate()
+        response.pipe(responseContent)
       } else {
         // Since previous versions didn't check for Content-Encoding header,
         // ignore any invalid values to preserve backwards-compatibility
@@ -1006,6 +1026,9 @@ Request.prototype.readResponseBody = function (response) {
     debug('end event', self.uri.href)
     if (self._aborted) {
       debug('aborted', self.uri.href)
+      // `buffer` is defined in the parent scope and used in a closure it exists for the life of the request.
+      // This can lead to leaky behavior if the user retains a reference to the request object.
+      buffer.destroy()
       return
     }
 
@@ -1018,6 +1041,9 @@ Request.prototype.readResponseBody = function (response) {
       } else {
         response.body = buffer.toString(self.encoding)
       }
+      // `buffer` is defined in the parent scope and used in a closure it exists for the life of the Request.
+      // This can lead to leaky behavior if the user retains a reference to the request object.
+      buffer.destroy()
     } else if (strings.length) {
       // The UTF8 BOM [0xEF,0xBB,0xBF] is converted to [0xFE,0xFF] in the JS UTC16/UCS2 representation.
       // Strip this value out when the encoding is set to 'utf8', as upstream consumers won't expect it and it breaks JSON.parse().
@@ -1377,7 +1403,9 @@ Request.prototype.write = function () {
   if (!self._started) {
     self.start()
   }
-  return self.req.write.apply(self.req, arguments)
+  if (self.req) {
+    return self.req.write.apply(self.req, arguments)
+  }
 }
 Request.prototype.end = function (chunk) {
   var self = this
@@ -1389,7 +1417,9 @@ Request.prototype.end = function (chunk) {
   if (!self._started) {
     self.start()
   }
-  self.req.end()
+  if (self.req) {
+    self.req.end()
+  }
 }
 Request.prototype.pause = function () {
   var self = this
diff --git a/package.json b/package.json
index e221d0454aa..55679fc9bc6 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "read-package-tree": "~5.1.2",
     "readable-stream": "~2.1.0",
     "realize-package-specifier": "~3.0.1",
-    "request": "~2.70.0",
+    "request": "~2.72.0",
     "retry": "~0.9.0",
     "rimraf": "~2.5.2",
     "semver": "~5.1.0",