Make 64bit srcds build as srcds_win64
Add SteamID64 to "Dropped %s player from server" console message
Remove "PREP OK" from console map loading log
Also change "PREP FAILED" to "AddMapPackFile failed", and make it a warning.
Adjust recent changes to IMaterial functions for multicore
Block editdemo concommand just in case
Added NPC:IsCrouching
Combine/Citizens can do this.