EWOCtools updates + code cleanup

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/contrib@4754 96b784f8-4ae3-dd11-aff7-0030488c597c
added DeCouple removed FilletPlus from EWOC

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/contrib@4755 96b784f8-4ae3-dd11-aff7-0030488c597c
added KeepTrans to EWOCtools

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/contrib@4756 96b784f8-4ae3-dd11-aff7-0030488c597c
EWOCtools update

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/contrib@4757 96b784f8-4ae3-dd11-aff7-0030488c597c