* [CSGO] No multichannel sounds. It's possible to play only one sound at a time, 
    no overlaps of the sounds. Sounds couldn't be cached on a client.
    http://wiki.alliedmods.net/CSGO_Quirks
* [CSGO] Motd could not be shown as notmal motd. It's only possble to show 
    new window with javascript function window.open().