Expose MVertSkin customdata layer in Python. This allows scripts to change parameters which are used by the skin modifier (such as radius)

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk@60955 954f8c5b-7b00-dc11-b283-0030488c597c
Fix compilation error caused by struct declaration in a function prototype

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk@60956 954f8c5b-7b00-dc11-b283-0030488c597c
cmake: bsp needs moto

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk@60957 954f8c5b-7b00-dc11-b283-0030488c597c