Merge pull request #1324 from LLK/greenkeeper/platform-1.3.5

Update platform to the latest version 

package.json

@@ -63,7 +63,7 @@
     "lodash.pick": "4.4.0",
     "minilog": "3.1.0",
     "mkdirp": "^0.5.1",
-    "platform": "1.3.4",
+    "platform": "1.3.5",
     "postcss-import": "^11.0.0",
     "postcss-loader": "^2.0.5",
     "postcss-simple-vars": "^4.0.0",