Change compile to implementation in Gradle (#78)
Change compile to implementation in Gradle (#78)

This is required due to changes in Android Studio.

```
WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html
```
pusherman/react-native-network-info,pusherman/react-native-network-info,pusherman/react-native-network-info,pusherman/react-native-network-info