replace auto_ptr by unique_ptr as auto_ptr is deprecated
Merge remote-tracking branch 'upstream/master'
#1156, fix quotes in CMakeLists files, see http://cmake.org/Wiki/CMake/Language_Syntax#Quoting for more info
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Skidding achievement
Merge remote-tracking branch 'upstream/master'
Implement color variation in particle system
Add asserts before binding vao and fix 0 glow vao
Wrong include corrected (\ -> /).
Drift counting fixed.
Fix terminal warning flood, and improve error detection. Thanks to vlj for help
Tab fix
Merge pull request #1243 from mcsab/master

Skidding achievement
Bring back minimap.
revert unique_ptr back to auto_ptr
removed unused functions
Allow karts to specifie a different sound effect for their engine; closes #1234
having fun reverting changes
Poweruplover achievement
Fixed potential crash if RelationInfo should not exist, which I saw
once while a decline was in progress), started some minor refactoring.