declarations with ChallengeData - I don't see a good reason to keep both classes). git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@7610 178a84e3-b1eb-0310-8ba1-8eac791a3b58
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@7320 178a84e3-b1eb-0310-8ba1-8eac791a3b58