Move texture management function in a separate file.
Forgot to fix a particle shader for hd3000
Revert "Forgot to fix a particle shader for hd3000"

This reverts commit 48fcea8ee8fba01e3def8f3117214d3f92f33872.
Properly reapply HD3000 particle fix
Inverse updateAbsolutePosition and Visibility test in scenemanager
Start to support driving (and rescuing) on physical track objects.
Merge branch 'master' of github.com:supertuxkart/stk-code
Use a (commented out) faster culling algorithm
Looks like a wrong rebase
Fix plunger update in basic glsl mode
Updated documentation, removed commented out code.
Enable simple culling for non indirect codepath
Try to disable openMP at runtime
Some fixes to ligthshaft
Try to merge all MeshFor_Pass
Fixed mingw compilation
Merge branch 'master' of https://github.com/supertuxkart/stk-code
Select 'start' as default in gp info screen.
Merge remote-tracking branch 'origin/master-fix'
Merge branch 'master' of github.com:supertuxkart/stk-code