Put Cesium Inspector back on the main menu.
Added Kevin's suggestion to the main menu.
Change SceneMode enumeration values for easier debugging.
IE 11 test workaround
Tweak CHANGES.md
Merge pull request #1870 from fstoner/sceneMode

Change SceneMode enumeration values for easier debugging.
Reorder b30 in CHANGES.md
Fixed typo in CHANGES.md
Merge pull request #1871 from AnalyticalGraphicsInc/ie11mipmap

IE 11 test workaround
Merge pull request #1764 from AnalyticalGraphicsInc/inspector

Put Cesium Inspector back on the main menu.
Remove Fresnel, Reflection, and Refraction materials.
Update CHANGES.md
Merge pull request #1875 from AnalyticalGraphicsInc/remove-materials

Remove Fresnel, Reflection, and Refraction materials.
Update JSDoc to 3.3.0-alpha9
Fix documentation errors
Fix regression where modules were prefixed with "module:"
Update CHANGES.md
Merge pull request #1876 from AnalyticalGraphicsInc/upgradeJsDoc

Upgrade JSDoc