Remove linefeeds from error messages.
Remove useless statement.
Disable cel-shading on transparent models.
Update INSTALL file.
Fix a memory leak when server fails to spawn.

Free the map loaded by SV_ParseMapCmd if an ERR_DROP is thrown before
server code takes ownership of the map.
Merge branch 'master' of git://github.com/AndreyNazarov/q2pro
Updated client version