No void functions with out return statement...
Added GPS access agreement if App configured to use Background mode.
Fix map type selection when change device orientation
Added saving of the way points to together with track file to GPX
Added distance correction config, count it by dividing 1000meters to distance from program
Added google maps to software (can be switch off in preferences
Ignore untracked files
Migration to Android Studio (Thank's to ZVital <zvital@mistake.by>)