Johannes: Pre-pull commit to save changes in houdini/johannes/batch_rat_converter package
Merge branch 'master' of https://github.com/timmwagener/helga
Houdini: 1. Added houdini/rendering/mantra_functionality package. 2. Added houdini/setup/toolbar/helga.shelf 3. Changes to johannes/batch_rat_converter package. Maya: 1. Changed asset manager icon path in shelf_helga.mel