2) Fixed the manual (added new key bindings for jump
and look back, improved layout, added picture for
description of race interface.
(see r1589 on 0.4rc1 branch).
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@1590 178a84e3-b1eb-0310-8ba1-8eac791a3b58