removing reset, adding the old updateTileVisibilty call back
removing reset, adding the old updateTileVisibilty call back

YonatanKra/cesium,progsung/cesium,YonatanKra/cesium,likangning93/cesium,jasonbeverage/cesium,likangning93/cesium,CesiumGS/cesium,CesiumGS/cesium,CesiumGS/cesium,josh-bernstein/cesium,AnalyticalGraphicsInc/cesium,geoscan/cesium,YonatanKra/cesium,likangning93/cesium,likangning93/cesium,josh-bernstein/cesium,AnalyticalGraphicsInc/cesium,CesiumGS/cesium,CesiumGS/cesium,YonatanKra/cesium,geoscan/cesium,jasonbeverage/cesium,likangning93/cesium,progsung/cesium