Fix Auto Aims, Move Aim, Able Snipers in 2-Players (GTA:Underground)

Mini-guns, cunt rifles and snipers can be auto-aimed, and also this get rid or GTAIII & VC when you can't move while shooting if your "poor" or "gangster", you can move while shooting like San Andreas Multiplayer, there's 2 version of weapon.dat, one is for shoot in sniper scope, and one is able sniper scope for both players.