Fix some formatting.
Add ability to rotated texture coordinates of an extent.
Change texture coordinate rotation to be done in texture space. Add tests.
Add extent with rotated texture rendering test.
Add rendering tests for extruded extent.
Merge branch 'master' into extentTextureRotation
Add texture rotation option to ExtentPrimitive.
Fix texture rotation angle doc.
Merge pull request #948 from AnalyticalGraphicsInc/extentTextureRotation

Extent texture rotation