dedupe node dependencies

yarn.lock

@@ -1157,22 +1157,7 @@ chalk@1.1.3, chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chokidar@^1.4.1, chokidar@^1.4.3, chokidar@^1.6.0:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.6.1.tgz#2f4447ab5e96e50fb3d789fd90d4c72e0e4c70c2"
-  dependencies:
-    anymatch "^1.3.0"
-    async-each "^1.0.0"
-    glob-parent "^2.0.0"
-    inherits "^2.0.1"
-    is-binary-path "^1.0.0"
-    is-glob "^2.0.0"
-    path-is-absolute "^1.0.0"
-    readdirp "^2.0.0"
-  optionalDependencies:
-    fsevents "^1.0.0"
-
-chokidar@^1.7.0:
+chokidar@^1.4.1, chokidar@^1.4.3, chokidar@^1.6.0, chokidar@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
   dependencies:
@@ -4994,16 +4979,7 @@ raw-loader@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/raw-loader/-/raw-loader-0.5.1.tgz#0c3d0beaed8a01c966d9787bf778281252a979aa"
 
-rc@^1.0.1:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/rc/-/rc-1.1.6.tgz#43651b76b6ae53b5c802f1151fa3fc3b059969c9"
-  dependencies:
-    deep-extend "~0.4.0"
-    ini "~1.3.0"
-    minimist "^1.2.0"
-    strip-json-comments "~1.0.4"
-
-rc@^1.1.7:
+rc@^1.0.1, rc@^1.1.7:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.1.tgz#2e03e8e42ee450b8cb3dce65be1bf8974e1dfd95"
   dependencies:
@@ -5759,10 +5735,6 @@ strip-indent@^1.0.1:
   dependencies:
     get-stdin "^4.0.1"
 
-strip-json-comments@~1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-1.0.4.tgz#1e15fbcac97d3ee99bf2d73b4c656b082bbafb91"
-
 strip-json-comments@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"