add RNA_define_animate_sdna() so animation can be easily disabled when defining many properties - currently use to disable animating brushes and toolsettings.

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@54327 954f8c5b-7b00-dc11-b283-0030488c597c
Workaround for deadlock in face/hole merge function in carve
which could happen in cases of degenerated faces.

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@54328 954f8c5b-7b00-dc11-b283-0030488c597c