fixed documentation of ReflectionUtil a bit.
Added AppPreferenceManager.isProprietaryAllowed()
Refactored and moved 'gps gui stuff' to -> ...gps.gui.*
Fixed mistake: 'a.json'
Added most of LocationGUIProvider impl using osmdroid.
added timestamp.gradle
added signing.gradle
added dependencies.gradle
refactored build.gradle files a bit.
Refactored EditGPSFilterAreaActivity a bit.