Starting to add BT functionality
Changed class to BluetoothHelper.

Finished initial coding, now starting to implement.
Started adding in bluetooth to TrackingService
Finished bluetooth additions

Put initiation of bluetooth into TrackingServices, adding in scanning
for devices in the party while loop of doInBackground.

NOTE: instead of sleeping the loop for a preset amount of time, the
loop now sleeps for the duration of the bluetooth scan.
Merge branch 'bluetooth'

Conflicts:
	PartyHopper/AndroidManifest.xml
Committing manifest w/ bluetooth permissions