added bluetooth device selection screen.
fixed missing style.
Typo fixed: "activitys" -> "activities"
Typo fixed: "listner" -> "listener"
removed unnecessary bluetooth device selection activity. the dialog is now displayed by invoking a dialog fragment from SuperActivity.
merged with latest from upstream/master.
fix bug causing the dialog to terminate the activity on device selection.
added string resources for the bluetooth device selection screen.
Merge branch 'master' into typos

Conflicts:
	DroidPlanner/src/org/droidplanner/fragments/RcSetupFragment.java
	DroidPlanner/src/org/droidplanner/fragments/calibration/ch/FragmentSetupCH.java
	DroidPlanner/src/org/droidplanner/fragments/calibration/flightmodes/FragmentSetupFM.java
	DroidPlanner/src/org/droidplanner/fragments/calibration/rc/FragmentSetupRC.java
	DroidPlanner/src/org/droidplanner/fragments/calibration/sf/FragmentSetupSF.java
Merge pull request #598 from ne0fhyk/feature_bluetooth_device_selection_screen

Bluetooth device selection screen
Merge branch 'master' into typos
Merge pull request #605 from arthurbenemann/typos

Typos "activitys" and "listner" fixed