Bug fix:

Labels in UI were not drawing greyed out when disabled.
Bug in post 2.66a commit to make greying out buttons draw much nicer.

User reported Addon menu was not clearly showing disabled Addons anymore.



git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@56374 954f8c5b-7b00-dc11-b283-0030488c597c