chore(release): 2.15.0 [skip ci]

# [2.15.0](https://github.com/react-native-community/react-native-webview/compare/v2.14.3...v2.15.0) (2019-01-07)

### Features

* **Android Webview:** Add file download support for Android ([#203](https://github.com/react-native-community/react-native-webview/issues/203)) ([2114a9b](https://github.com/react-native-community/react-native-webview/commit/2114a9b)), closes [#80](https://github.com/react-native-community/react-native-webview/issues/80)

package.json

@@ -8,7 +8,7 @@
     "Thibault Malbranche <malbranche.thibault@gmail.com>"
   ],
   "license": "MIT",
-  "version": "2.14.3",
+  "version": "2.15.0",
   "homepage": "https://github.com/react-native-community/react-native-webview#readme",
   "scripts": {
     "test:ios:flow": "flow check",