Fix CHANGES.md [skip ci]
Fix CHANGES.md [skip ci]

likangning93/cesium,YonatanKra/cesium,progsung/cesium,YonatanKra/cesium,likangning93/cesium,progsung/cesium,CesiumGS/cesium,AnalyticalGraphicsInc/cesium,likangning93/cesium,CesiumGS/cesium,YonatanKra/cesium,CesiumGS/cesium,likangning93/cesium,likangning93/cesium,AnalyticalGraphicsInc/cesium,CesiumGS/cesium,CesiumGS/cesium,YonatanKra/cesium