Fix incorrect 2d stabilization for masks

Reported by Sebastian Koenig in IRC>
Tests: remove support.run_unittest
Fix T41267: Wrong light distribution with when having objects with motion blur
Anamorphic Lens
Fix for panorama DoF by Aldo Zang
disk sample is cocentric (around zero)
Fix CUDA build
Final UI touch ups
Including the bokeh ratio in the standalone/xml