Features

• (Android) Keep interface parity with PushNotificationIOS #909
• (Android) Unsubscribe from topic #917
• (Android) Add notification data in onNotification #1212

Fixed

• (Android) Create default channel to receive notification when background / killed.
• (Android) Fix vibrate: false is ignored #878
• package.json fix suffic in main, index => index.js #878

Breaking changes

• (Android) Remove specific code for GCM #1322
• <service android:name="com.dieam.reactnativepushnotification.modules.RNPushNotificationRegistrationService"/> must be removed.