Update to latest version of flow

Author: leebyron

package.json

@@ -74,7 +74,7 @@
     "eslint": "3.10.2",
     "eslint-plugin-babel": "3.3.0",
     "eslint-plugin-flowtype": "2.25.0",
-    "flow-bin": "0.25.0",
+    "flow-bin": "0.35.0",
     "graphql": "0.7.0",
     "isparta": "4.0.0",
     "mocha": "3.1.2",