Fix some typos
Fixed problem in dynamic ribbon widgets which contain animations, labels and more than one row.

Thanks to marcoll.
Merge pull request #1781 from thamlett/master

Fix some typos
Fix image format for bilateral blur
Try to fix ibl precision issue
Fixed minor memory leak.
Merge branch 'master' of github.com:supertuxkart/stk-code
Fixed memory leak.
Fixed memory leak.
Revert "Try to fix ibl precision issue"

This reverts commit 1cf592394bdf2e31996a8bc9aeb1da189455447b.
Fixed memory leaks.
Merge branch 'master' of github.com:supertuxkart/stk-code
Clean up sunlight shader + factorize diffusebrdf
Remove redondant uniform in IBL
Move FS template declaration in shaders.hpp
Factorise SH coefficient in an UBO
Remove extra uniforms in IBL shader
Fix memory leak.
Added support for wip-tracks and wip-karts directories, which are only
used when artist debug mode is enabled.
Missing patch in previous commit.