Explicit primitive and id pick results
Finished picking update
Make Cartesian3.fromArray and alias of unpack.
Make fromArray an alias of unpack for Cartesian2 and Cartesian4.
Tweaks and CHANGES.md
Merge pull request #1142 from AnalyticalGraphicsInc/missingTriangles

Missing Triangles
Fixed typo
Removed unused AMD includes
Revert temp change
Merge pull request #1145 from AnalyticalGraphicsInc/testperformance

Remove unused AMD includes
Merge pull request #1137 from AnalyticalGraphicsInc/pick

Picking updates
Merge remote-tracking branch 'origin/master' into gltf