Don't save guest players to the players.xml file.
Removed OnlineProfile from ActivePlayer, since it was not used at all.
Use options to determine if a fbo is needed.
Remove sun specular if there is no shadow in track.

Avoid the ghost specular in star track.
Fix condition.
Merge pull request #1317 from konstin/random-gp

Changes in preparation for Random GP
compilation fix when c++2011 is enabled
Add 3 new gl api calls
Play with glTexStorage2D

Should reduce memory movements.
Fixed multiplayer kart selection. Now guests are created on demand,
and are not saved to the players.xml file anymore.
Merge branch 'master' of github.com:supertuxkart/stk-code
Added 'back' button to user screen.
Separate point light and sun light in renderlights.
Fix win-GP scene scale, so that effects render correctly
Fix for nvidia
Work on cutscene+menu combination. Fix bugs in GPWin cutscene, make them easier to work with in general
Improvements to GPLose scene, similar to previous work on GPWin
Fix #1347.
Added FIXME and some comments so that we can look at this
strange call again when more networking code is added.
Don't create icons for guests (which are never shown).