Chore(deps) upgrade flow

matches the version in react-native

Author: joeybaker

.flowconfig

@@ -93,4 +93,4 @@ suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(>=0\\.\\(2[0-3]\\|1[0-9]\\|[0-9
 suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
 
 [version]
-0.33.0
+0.47.0

package.json

@@ -43,6 +43,6 @@
     "babel-eslint": "^6.0.4",
     "eslint": "^3.17.1",
     "eslint-plugin-react": "^6.10.0",
-    "flow-bin": "0.33.0"
+    "flow-bin": "0.47.0"
   }
 }