PX4 does not listen to MAV_COMP_ID_SYSTEM_CONTROL
Merge pull request #1287 from jeroennijhof/master

PX4 does not listen to MAV_COMP_ID_SYSTEM_CONTROL
Fixed crash caused by the lack of the google play services library on the device.
Merge pull request #1289 from ne0fhyk/fix_issue_1285

Fixed crash caused by missing Google Play Services
Merge branches 'dp_3dr_services' and 'master' of https://github.com/DroidPlanner/droidplanner into dp_3dr_services

Conflicts:
	Android/src/org/droidplanner/android/gcs/location/FusedLocation.java
	Core/src/org/droidplanner/core/MAVLink/MavLinkArm.java