chore(package): update babel-plugin-transform-flow-strip-types to version 6.14.0 (#2173)

https://greenkeeper.io/ [skip ci]

Author: greenkeeperio-bot

Diff for: package.json

@@ -38,7 +38,7 @@
     "babel-eslint": "^6.1.2",
     "babel-plugin-syntax-class-properties": "^6.5.0",
     "babel-plugin-syntax-flow": "^6.5.0",
-    "babel-plugin-transform-flow-strip-types": "^6.7.0",
+    "babel-plugin-transform-flow-strip-types": "^6.14.0",
     "bluebird": "^3.4.5",
     "chalk": "^1.1.0",
     "generator-ng-component": "~1.0.2",