Fix pick clear color
Merge branch 'master' into pickColor
Add TerrainInspector app.
Enable terrain and fix a race condition.

The race could makes tiles sometimes not show up as wireframe when they
should.
Show bounding spheres and render only selected.
Merge remote-tracking branch 'origin/master' into terrainInspector

Conflicts:
	Source/Scene/Tile.js
Remove commented-out code.
Merge remote-tracking branch 'origin/master' into pickColor
Changes suggested by Scott.
Move javascript to a separate file.
Use defined function.
Merge remote-tracking branch 'origin/master' into terrainInspector
Fix warnings.
Change Enumeration reference equality checks to perform a value comparison. Work around transferable object bug in Firefox.
Merge remote-tracking branch 'origin/master' into pickColor
Fix pick clear color for real
Fix tests
Updates from review.
Merge pull request #1042 from AnalyticalGraphicsInc/geometryWebWorker

Fix Geometry in Firefox
Merge pull request #1003 from AnalyticalGraphicsInc/pickColor

Fix pick clear color