Remove used variable
Less is more
Merge pull request #1211 from AnalyticalGraphicsInc/appearanceExamples

Appearance examples
Merge master to skybox
Merge branch 'master' into moon

Conflicts:
	CHANGES.md
Change conversion of quaternions from/to 3 by 3 matrices to be alibii transformations instead of alias transformations.
Fix quaternion and matrix tests.
Fix tests, camera control, camera flights, and round corners for corridor geometry.
Merge branch 'master' into multiPicking

Conflicts:
	CHANGES.md
Clipping billboards that have scale or translucency of 0.0 in the vertex
shader.  Minor cleanup in unit tests and Sandcastle example.

Signed-off-by: Alex Wood <abwood@gmail.com>
Fixed pick
Merge remote-tracking branch 'agi/master' into issue1076

Conflicts:
	Source/Scene/Billboard.js
	Source/Scene/Label.js
	Specs/Scene/LabelCollectionSpec.js
Cleanup Polyline example
Cleanup Polyline example
Merge trs to pointgeometry
Added primitive bounding sphere debug
Added debug for axes
Initial point geometry
Merge pull request #1220 from AnalyticalGraphicsInc/polylineexample

Cleanup Polyline Sandcastle example
Add support for a CZML property to be an array.