Added CHANGES
Added CHANGES

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