Famous/famous — pull request #390 by trusktr (2014-10-11 22:16:31+00:00)
Title: core/Transform: Complete 3D skew methods

Added methods to allow for complete control over skew in 3D. Currently, some of the skew transforms rotate in the opposite direction as their corresponding rotate transforms. I'll push a second commit that shows what it's like for the skew transform rotations to go in the same direction as their corresponding rotate transforms, then we can squash it down to the method we prefer.