build: bump cache-loader from 1.2.0 to 1.2.2 in /www (#887)

Bumps [cache-loader](https://github.com/webpack-contrib/cache-loader) from 1.2.0 to 1.2.2.
- [Release notes](https://github.com/webpack-contrib/cache-loader/releases)
- [Changelog](https://github.com/webpack-contrib/cache-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/cache-loader@v1.2.0...v1.2.2)

www/package.json

@@ -36,7 +36,7 @@
     "babel-preset-react": "^6.24.1",
     "babel-preset-react-optimize": "^1.0.1",
     "babel-register": "^6.26.0",
-    "cache-loader": "^1.2.0",
+    "cache-loader": "^1.2.2",
     "chalk": "^2.3.1",
     "cheerio": "^1.0.0-rc.2",
     "clean-webpack-plugin": "^0.1.18",

www/yarn.lock

@@ -1539,13 +1539,13 @@ cache-base@^1.0.1:
     union-value "^1.0.0"
     unset-value "^1.0.0"
 
-cache-loader@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/cache-loader/-/cache-loader-1.2.0.tgz#cdc313ae53b3c13ce8ee0c9296cf16c736b15252"
+cache-loader@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/cache-loader/-/cache-loader-1.2.2.tgz#6d5c38ded959a09cc5d58190ab5af6f73bd353f5"
   dependencies:
-    async "^2.4.1"
     loader-utils "^1.1.0"
     mkdirp "^0.5.1"
+    neo-async "^2.5.0"
     schema-utils "^0.4.2"
 
 caller-path@^0.1.0:
@@ -5737,6 +5737,10 @@ negotiator@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
 
+neo-async@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.5.0.tgz#76b1c823130cca26acfbaccc8fbaf0a2fa33b18f"
+
 no-case@^2.2.0:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/no-case/-/no-case-2.3.2.tgz#60b813396be39b3f1288a4c1ed5d1e7d28b464ac"