Dev:Ref/Release Notes/2.78/Performance update2

Changes in Blender 2.78c

• Port all changes for automated Cycles testing c6e4a81d
• Fix for wrong render result of hair with BVH motion steps b3b4084
• Fix compilation error of GLSL viewport when using Light Path node 9215848
• Fix wrong Brick texture in material viewport 8ba1dab
• Fix crash with material preview and image sequences dd2e33b
• Fix T50512: Linked Backround scene with animation not updating with new depsgraph e89145e
• Fix T50687: Cycles baking time estimate and progress bar doesn't work / progress when baking with high samples 67169e7
• Fix T50748: Render Time incorrect when refreshing rendered preview in GPU mode b95645c
• Fix wrong render results with texture limit and half-float textures 909c8ec
• Fix Cycles still saving render output when error happened d9e6268, 90d96de