use a more direct way to check for color (check saturation)


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4769 96b784f8-4ae3-dd11-aff7-0030488c597c
update texture node values to match changes to blender.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4770 96b784f8-4ae3-dd11-aff7-0030488c597c
Fix bug reported on ML (usual API changes ;) ).

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4771 96b784f8-4ae3-dd11-aff7-0030488c597c
support for texture UV wrap on cycles materials.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4773 96b784f8-4ae3-dd11-aff7-0030488c597c