Added license disclaimer

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
Added Project's FingerPrint as an argument in the AlarmManager

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
Improvements in the SignalMonitor class

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
Added DataService code

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>