Incoming calls are no longer send as simple notifications but properly as
incoming calls. The Pebble will vibrate until the call is taken or dismissed.
It is not yet possible to dismiss the call using the Pebble button.
- only ask for notication monitoring permissions the on first start
- filter out annoying system messages like keyboard notifications
- rearrange buttons
- bugfix for message being ignored when sending a test message to the
Pebble (sender was used as message content)