android: remove MapActivity

- see vtm-android-start for an example use of MapView
- add MapPreferences

- update android-start
- android-example: use appcompat actionbar

vtm-android/src/org/oscim/android/MapView.java

@@ -60,7 +60,6 @@ public class MapView extends GLSurfaceView {
 		this(context, null);
 	}
 
-	@SuppressWarnings("deprecation")
 	public MapView(Context context, AttributeSet attributeSet) {
 		super(context, attributeSet);
 
@@ -92,10 +91,6 @@ public class MapView extends GLSurfaceView {
 		setRenderer(new GLRenderer(mMap));
 		setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
 
-		/* to be removed */
-		if (context instanceof MapActivity)
-			((MapActivity) context).registerMapView(this);
-
 		mMap.clearMap();
 		mMap.updateMap(false);