Revised launch to use take off apm method. 
Revised arm, disarm to use setRcChannel() method
removed setRcValue() method
Merge branch 'LaunchRevs' into Buttons

Conflicts:
	DroidPlanner/src/com/droidplanner/activitys/FlightDataActivity.java
	DroidPlanner/src/com/droidplanner/helpers/RcOutput.java