adding options on batched3dmodel3dtilecontentspec
adding options on batched3dmodel3dtilecontentspec

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