KML I/O added to secret long press in about dialog
Merge branch 'dev' of https://github.com/garvankeeley/MozStumbler into kml_io_4

Conflicts:
	android/src/main/java/org/mozilla/mozstumbler/client/mapview/ObservationPoint.java
	android/src/main/java/org/mozilla/mozstumbler/client/mapview/ObservationPointsOverlay.java
Fixed iterator declaration, it built in studio, but not using
command-line.
Moved KML to non-debug, it is accessed through Developer item on the
Settings view.
Merge pull request #916 from garvankeeley/kml_io_4

KML I/O added in Developer Menu, r+ by vng since all items were addressed