Merge branch 'next'
Merge pull request #1015 from kwhatmough/master

Add purged folder names to .gitignore
Fixed issue with cloning certain models that have mesh skins.
Merge pull request #1031 from sgrenier/master

Fixed cloning issue in MeshSkin
Merge pull request #1032 from blackberry/master

Merging master fixes back into next
Merge branch 'next' of git://github.com/blackberry/GamePlay into helpful-additions