Buildbot: use 1 thread for windows builds.

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@57467 954f8c5b-7b00-dc11-b283-0030488c597c
Added support for Vertex Weight panel in weight Paint Mode

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@57468 954f8c5b-7b00-dc11-b283-0030488c597c