bumping webpack-manifest-plugin to proper version 2

Author: weaverryan

package.json

@@ -46,7 +46,7 @@
     "webpack": ">=2.2.0 <4",
     "webpack-chunk-hash": "^0.5.0",
     "webpack-dev-server": "^2.4.5",
-    "webpack-manifest-plugin": "v2.0.0-rc.1",
+    "webpack-manifest-plugin": "^2.0.0",
     "yargs": "^8.0.1"
   },
   "devDependencies": {

yarn.lock

@@ -4254,10 +4254,6 @@ [email protected]:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
 
-[email protected]:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/mutexify/-/mutexify-1.0.1.tgz#9880206795d89e75efc1bcb4b4f52ebbd796e5e7"
-
 nan@^2.10.0, nan@^2.3.0:
   version "2.10.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.10.0.tgz#96d0cd610ebd58d4b4de9cc0c6828cda99c7548f"
@@ -6328,6 +6324,10 @@ tapable@^0.2.7:
   version "0.2.8"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.8.tgz#99372a5c999bf2df160afc0d74bed4f47948cd22"
 
+tapable@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.0.0.tgz#cbb639d9002eed9c6b5975eb20598d7936f1f9f2"
+
 tar-pack@^3.4.0:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/tar-pack/-/tar-pack-3.4.1.tgz#e1dbc03a9b9d3ba07e896ad027317eb679a10a1f"
@@ -6792,13 +6792,13 @@ webpack-dev-server@^2.4.5:
     webpack-dev-middleware "1.12.2"
     yargs "6.6.0"
 
-webpack-manifest-plugin@v2.0.0-rc.1:
-  version "2.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/webpack-manifest-plugin/-/webpack-manifest-plugin-2.0.0-rc.1.tgz#82b03afd05a308a36a6066f1c37ac9ff1c9d5e8a"
+webpack-manifest-plugin@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/webpack-manifest-plugin/-/webpack-manifest-plugin-2.0.1.tgz#9ef26040eb2980bfcdd74a3ef88b6562c559469f"
   dependencies:
     fs-extra "^0.30.0"
     lodash ">=3.5 <5"
-    mutexify "1.0.1"
+    tapable "^1.0.0"
 
 webpack-notifier@^1.5.0:
   version "1.6.0"