running whitespace.py
Merge branch 'master' of https://github.com/supertuxkart/stk-code
Factorize a function and add proper doxy comment.
Remove rimlight material
Factorize and comment generateCubemapFromTextures
Merge pull request #1401 from konstin/master

running whitespace.py
Fix crash when disabling GLSL
Fix overworld minimap
Factorize some rendering loops.
Merge remote-tracking branch 'upstream/master' into walldriving
set m_glsl = false; because AI_DEBUG not supported in the new pipeline.
Update bowling ball to follow the track. Also updated cake, but it needs more work.