version bump: 0.2.4
version bump: 0.2.4

jordansexton/react-native-webview-crosswalk,Asiance/react-native-webview-crosswalk,nushydude/react-native-webview-crosswalk,nushydude/react-native-webview-crosswalk,jordansexton/react-native-webview-crosswalk,Asiance/react-native-webview-crosswalk