Added MeshFilters.encodeAttribute
Fixed polygon jitter
Added doc and tests for encode
Removed TODO comment
Added Matrix2.fromRotation
Added rotation to matrices
Added textureMatrix to Polygon
Remove textureMatrix from Polygon. Add textureRotationAngle to setPositions and configureFromPolygonHierarchy of Polygon.
Merge pull request #462 from AnalyticalGraphicsInc/texturerotation

Rotation matrix creation functions
Merge branch 'master' into polygonjitter

Conflicts:
	CHANGES.md
Merge pull request #461 from AnalyticalGraphicsInc/polygonjitter

Fix polygon jitter
Merge branch 'master' into texturerotation2
Update CHANGES.md.
Get correct bounding rectangle for polygons with rotated texture coordinates.
Doc tweaks
Tweaked CHANGES.md
Merge pull request #463 from AnalyticalGraphicsInc/texturerotation2

Polygon texture rotation.
Update Bing Maps key.  This new key is only temporary.
Merge remote-tracking branch 'origin/master' into playback
Add Playback.setScale() and make the default scale smaller.