2) Moved STK specific extensions to bullet out of
bullet src tree.
3) Started to move more files into separate subdirs.
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@3027 178a84e3-b1eb-0310-8ba1-8eac791a3b58
without a valid OpenGL context" error, instead a better error message is printed.
2) Changed sdldrv to follow our layout, added some documentation, fixed a few
warnings.
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@2373 178a84e3-b1eb-0310-8ba1-8eac791a3b58
