Introducing WiFi only uploading.
Fixes following @cpeterso's requests.
Cleaning up the layout, optimizing code for the on/off button.
Fixing up.
Introducing WiFi only uploading.
Basic geofencing.
Update LocationBlockList.java
Merge branch 'dev2' of https://github.com/tamcap/MozStumbler into dev2

Conflicts:
	src/org/mozilla/mozstumbler/preferences/PreferencesScreen.java
	src/org/mozilla/mozstumbler/preferences/Prefs.java