[TextureAtlas] fixes if non MESH objects are in the group.
0.2.0 version now.

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4633 96b784f8-4ae3-dd11-aff7-0030488c597c
fix error when finding relative paths on windows.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4635 96b784f8-4ae3-dd11-aff7-0030488c597c
Fix minor UI bug (Select/deselect behaving as Invert button).

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4636 96b784f8-4ae3-dd11-aff7-0030488c597c
Merge remote-tracking branch 'remotes/trunk'

* remotes/trunk:
  Fix minor UI bug (Select/deselect behaving as Invert button).
  fix error when finding relative paths on windows.
  [TextureAtlas] fixes if non MESH objects are in the group. 0.2.0 version now.