disabled calibration when the drone is in a flying state.
Merge pull request #1230 from ne0fhyk/fix_issue_1229

Disabled calibration when the drone is in a flying state.
Merge branch 'master' of https://github.com/DroidPlanner/droidplanner into dp_3dr_services

Conflicts:
	Android/res/values/strings.xml
	Android/src/org/droidplanner/android/fragments/calibration/imu/FragmentSetupIMU.java
	Android/src/org/droidplanner/android/fragments/calibration/mag/FragmentSetupMAG.java