Use addCZML on CesiumViewerWidget startup, fix parameter name, and fix bug where camera would try to track an object being cleared.
Use addCZML on CesiumViewerWidget startup, fix parameter name, and fix bug where camera would try to track an object being cleared.

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