Added Search feature on Server Tab (press Ctrl-F or click toolbar button)
Changed irc server address to irc.dal.net in "Main Skulltag IRC Server" preset
Corrected too bright team colors (made them darker)
Added wadcheck support (for Odamex and ZDaemon) - check wad checksums before launching game and patch IWADs if possible (need ZDaemon autopatcher utility)
Added possibility to shuffle server maplist in ZDaemon
