Fix comments for mouse handler which were outdated.
Fix comments for mouse handler which were outdated.

jason-crow/cesium,CesiumGS/cesium,wallw-bits/cesium,denverpierce/cesium,CesiumGS/cesium,omh1280/cesium,oterral/cesium,denverpierce/cesium,AnalyticalGraphicsInc/cesium,kaktus40/cesium,AnimatedRNG/cesium,CesiumGS/cesium,esraerik/cesium,likangning93/cesium,kiselev-dv/cesium,YonatanKra/cesium,aelatgt/cesium,likangning93/cesium,ggetz/cesium,YonatanKra/cesium,NaderCHASER/cesium,likangning93/cesium,AnimatedRNG/cesium,emackey/cesium,esraerik/cesium,wallw-bits/cesium,NaderCHASER/cesium,kiselev-dv/cesium,aelatgt/cesium,likangning93/cesium,YonatanKra/cesium,hodbauer/cesium,kiselev-dv/cesium,YonatanKra/cesium,soceur/cesium,ggetz/cesium,progsung/cesium,emackey/cesium,aelatgt/cesium,hodbauer/cesium,jasonbeverage/cesium,esraerik/cesium,aelatgt/cesium,likangning93/cesium,omh1280/cesium,AnimatedRNG/cesium,josh-bernstein/cesium,ggetz/cesium,CesiumGS/cesium,wallw-bits/cesium,wallw-bits/cesium,omh1280/cesium,denverpierce/cesium,ggetz/cesium,kiselev-dv/cesium,jason-crow/cesium,oterral/cesium,hodbauer/cesium,jason-crow/cesium,omh1280/cesium,progsung/cesium,CesiumGS/cesium,jasonbeverage/cesium,geoscan/cesium,oterral/cesium,denverpierce/cesium,soceur/cesium,jason-crow/cesium,NaderCHASER/cesium,AnalyticalGraphicsInc/cesium,kaktus40/cesium,esraerik/cesium,AnimatedRNG/cesium,emackey/cesium,emackey/cesium,geoscan/cesium,soceur/cesium,josh-bernstein/cesium