Added a progress circle to the mapfragment

the progress circle will be used to indicate that there is work being
done in the background

Change-Id: Id2929f5be68fce0d223e18d8dd07babfcdb37a34
Signed-off-by: Ricky Barrette <rickbarrette@gmail.com>

LocationLib/src/com/TwentyCodes/android/overlays/UserOverlay.java

@@ -37,5 +37,10 @@ public class UserOverlay extends UserOverlayBase{
 	public void onMyLocationEnabled() {
 		mAndroidGPS.enableLocationUpdates(this);
 	}
+
+	@Override
+	public void onFirstFix(boolean isFistFix) {
+		// unused
+	}
 	
 }