contains all codes related to ranking the karts (which is used
to display the icons in the race gui and the end result table).
The battle mode should now be fixed, but follow-the-leader
has still issues and will most likely crash at the end.
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@5864 178a84e3-b1eb-0310-8ba1-8eac791a3b58
