fix an issue causing the drone graphic to lose its connection state (color) on system events (screen rotation)..
Merge pull request #1018 from ne0fhyk/fix_graphic_drone_connection_state

Fix drone graphic connection state
Merge branch 'master' of https://github.com/DroidPlanner/droidplanner into fix_savetolog_bug

Conflicts:
	Android/src/org/droidplanner/android/fragments/DroneMap.java