Mission: restored open mission from file w/ Open/Save sub-menu in editor activity
Mission: 'Open/Save' -> 'Open/Save Mission File' for clarity
Mission: restored auto zoom-to-fit on open mission, added option menu item to manually zoom-to-fit while editing
Mission: restored SAVE mission to file w/ Open/Save sub-menu in editor activity (available when disconnected)
Mission: fixed zoom-to-fit NPE if no home coord
Merge branch 'master' into missionfile

Conflicts:
	Android/res/values/strings.xml
	Android/src/org/droidplanner/android/activities/EditorActivity.java
	Android/src/org/droidplanner/android/fragments/EditorMapFragment.java
	Android/src/org/droidplanner/android/maps/providers/google_map/GoogleMapFragment.java
	Android/src/org/droidplanner/android/maps/providers/osm/OSMapFragment.java
Merge pull request #901 from DroidPlanner/missionfile

Added Open/Save/Zoom-to-Fit to Mission Editor