Click on the notification will return to MainActivity

- added overwritten OnResume() in  MainActivity
- added PendingIntent stuff in AntiTheftService
Added OnPause()

Added OnPause()
Merge remote-tracking branch 'origin/master'

Conflicts:
	workspace/VS_glukas_AntiTheft/bin/VS_glukas_AntiTheft.apk
	workspace/VS_glukas_AntiTheft/bin/classes.dex