v2.1.1

New Features

• #386 [Android/iOS]Add Pin.Transparency property
• #361 [Android/iOS]Add ZIndex property to GroundOverlay

Bug Fixes

• #352 [Android]NullReferenceException when page closing
• #237 [iOS]Fix Modifying Positions doesn't work when after added polyline or polygon
• #379 Default Constructor not found for CameraUpdateConverter
• #374 [Android]MapToolbar is not disappear
• #378 [iOS]Ground Overlay not shown when added