fix: ExtrusionLayer get correct sumIndices
cleanup: ExtrusionLayer
fixup: android-starter
refactor: GdxMap
fix: dont fling to NaN
fix: MapEventLayer velocity when timediff = 0
cleanup: MotionEvent
gdx: add MotionHandler, use common MapEventLayer
fix: vtm-android-gdx build
android: rename MapView.getMap()
android: extract GestureHandler
android: move GL classes to gl package
cleanup: MapView