Changelog:

* Fixed high CPU use during gameplay on some Hyperthreaded systems
* Fixed 100% CPU load at login screen
* Fixed the wrong dialog being shown when an error occured changing the contact email address
* Fixed the Half-Life 2: Demo preloader stopping at 20%
* Fixed a silent crash on exit when preloader is running

Half-Life 2: Deathmatch

Added spectator mode. If the server has mp_allowspectators set to 1, type spectate to enter spectator mode