Add thumbnail column to task
Fill the new thumbnail field in task entity
Fix missing break
Add Preview field to jobs
Merge branch 'master' of https://github.com/CGRU/cgru
Merge branch 'master' of https://github.com/CGRU/cgru
Merge branch 'master' of https://github.com/CGRU/cgru
Merge branch 'master' of https://github.com/CGRU/cgru
Added render layer support to meTools.meMentalRayRender.py and meTools.meVRayRender.py