added accepting incoming connections for host
changed String array to BluetoothDevice in ListView adapter. added
connecting function to JoinGameActivity
fixed issues and added ProgressDialog on hosting
fixed destroying of activity and added permission BT_ADMIN
releasing BroadcastReceiver onPause(), set at onResume()
fixed crash at onResume/onPause
added comments
added cancel option for hosting a game
removed debug messages
added a bunch of comments
fixed doubled entries in JoinGame ListView
added dialog on failing to connect
added design for MainActivity, ready to merge
Merge pull request #2 from marcoEgger/btConnection

Bt connection