Mozilla Stumbler v1.7.7

• Fixes to the geolocate call to work around a server bug which caused cell-only location fixes to return geo-ip results which are very poor.
• Translation fixes!
• Minor clarifications on some labels in the UI
• Lots of little patches to how scanning operates
• Zoom button fixes

Shout out to @cascheberg for contributing so many fixes.

Contributions by: @asteko, @cascheberg , @petercpg