Changed models to use the uri or path property as glTF currently uses path but the next version will use uri. We'll eventually change to just using uri.
Some terrain arc intersection fixes.
Merge branch 'camera-terrain' into use-ray-intersection
Convert one Dojo slider example to requirejs and HTML5.
Tweak styling for IE11.
Discretize arc of circle into line segments to use for camera-terrain intersection.
Merge remote-tracking branch 'origin/master' into private
Changes based on review
Tweak CHANGES.md
Move changes to b30 in CHANGES.md
Fix doc.
Clamp values passed to acos.
Update CHANGES.md.
isTileVisible -> computeTileVisibility.
Merge remote-tracking branch 'origin/master' into quadtreePrimitive

Conflicts:
	CHANGES.md
Rename to member to animations
Update third-party Tween.js
Cleaned up Camera Sandcastle example
Minor CameraFlight clean up
Merge pull request #1796 from AnalyticalGraphicsInc/examples-cleanup

Minor Sandcastle example cleanup