functions to attributes
replace functions in code
sandcastle
Merge branch 'master' into replaceGetSetContext
Tile, Credit, CentralBodySurface, AnimationCollection
terrain data
update CHANGES.md
resolves #1453
cesiumWidget -> widget
Merge pull request #1582 from AnalyticalGraphicsInc/consistentVariableNames

Rename HelloWorld variable
pipe through functions
update index.html
Merge pull request #1581 from AnalyticalGraphicsInc/removeTerrainInspector

Remove Terrain Inspector
update code, tests
Remove unnecessary example code
Update CHANGES.md
fix doc
error cleanup
Tweak CHANGES.md
Tweak CHANGES.md