CS Source Update

Source changes/additions
Added Counter-Strike bots. For a more detailed description, click here
Added new bomb defusal map de_tides
Updated version of de_cbble to allow bots to navigate ladders
Updated version of cs_office. Fixes minor issue with projector
Updated version of de_dust2 to allow 40 players
Optimization to the way that dynamic props are checked. On higher end CPUs, this can result in more than a 5% total frame rate increase
Fixed bug where players would get twice the normal money at the start of a round
Weapon models are now checked at startup to make sure they are within limits for size
Fixed a bug that would allow a player to throw two flashbangs at once
Added “motdfile” cvar, which sets the filename for the message of the day on the server
Fixed logic that will automatically kick players for killing hostage or being idle for a long time