Try to report number of processors for apples (untested).
Clean some code.
More cleanup
Factorise material rendering code
Additionnal factorisation
Some fixes
Some factorisation for non instanced path
Factorise non instanced 2nd pass too.
Fix text billboard crash
Fix compiler warning.
Added error message in case a not-yet-supported platform tries to report
memory or #procs.
Fix specular
Merge branch 'master' of https://github.com/supertuxkart/stk-code
Properly fix gloss maps
Make some progress on fixing splatting
Improve swizzle of splatting
Revert "Improve swizzle of splatting"

This reverts commit 98ca75c34ded0626668795eab6ef36b39c14255a.
fix spaltting
Remove gloss on splatting
Fix multiplayer in basic glsl mode