Unlit material supports tex matrix
Add actual light under thunderbird
Split animated meshes list from the others
Add sampler object support
Fix build
Factorize gl headers include in a separate file.

It should avoid conflict with Xorg headers
Fix build
Factorize gl headers include in a separate file.

It should avoid conflict with Xorg headers
Fix travis ci
Remove wrappers.
Use template to declare shader texture usage.
Add a "createVector" function for OSX
Use createVector in some others places
Add some ifdef for OSX
Add createVector in another place.
osx fixes
Merge branch 'texture-factorization' of https://github.com/supertuxkart/stk-code into texture-factorization

Conflicts:
	src/graphics/post_processing.cpp
Put some others bunch of code between ifdef win32
Add "functionnal" include in debug.cpp
Use VERSION_3_3 macro