- fix ==operator in osm types
- add listenerRegionIsChanging listenable to get bounding box when user navigate with map
- get boundingbox direclty from map
- remove annotation protected from mapRestored in OSMMixin
- add attribute
angle
to methodaddMarker
- change type of minZoomLevel and maxZoomLevel from int to double
- fix [#157]
- improve osmplatform when no context available