chore(release): 2.5.0 [skip ci]

# [2.5.0](https://github.com/react-native-community/react-native-webview/compare/v2.4.3...v2.5.0) (2018-10-21)

### Features

* **WKWebview:** [iOS] Add 'allowsBackForwardNavigationGestures' property ([#97](https://github.com/react-native-community/react-native-webview/issues/97)) ([7f35344](https://github.com/react-native-community/react-native-webview/commit/7f35344))

package.json

     "Thibault Malbranche <malbranche.thibault@gmail.com>"
   ],
   "license": "MIT",
-  "version": "2.4.3",
+  "version": "2.5.0",
   "homepage": "https://github.com/react-native-community/react-native-webview#readme",
   "scripts": {
     "test:ios:flow": "flow check",