Added support for "<" relations in graphical restrictions, fixed
compiler warnings.
When entering gp_name, display buttons vertically to allows gamepad selection
Merge branch 'master' of github.com:supertuxkart/stk-code
Merge pull request #1779 from math07/working

When entering gp_name, display buttons vertically to allows gamepad
Factorise sun color/position
Merge branch 'master' of github.com:supertuxkart/stk-code
Changed version number from 'svn' to 'git'.
Forget to update grass pass 2 sun location
Misc tweaks, mainly to include new island tracks in challenges and GPs, and other minor fixes