CS Patch: Linux beta 7.0 - 7.1

- fixed de_vegas crashing- tweaked burst fire accuracy system- slightly improved vehicle code- included missing skies (for cs_arabstreets, de_train)- fixed mp_timelimit bug- added APC to cs_siege- new server variable, "mp_maxrounds X" {X = maximum number of rounds to be played on a map, if X = 0, then maps will rotate based on mp_timelimit}- fixed crosshairs {They now expand regardless of lag}- fixed player heights {Player`s POV is now representative of the third person player model}- fixed shotgun not showing up in VGUI menus in as_ maps for CTs- included new death icon for headshots