Weapon animation changes

[Quickz]

Quick summary of things that were changed:

• Corrected the flame thrower, minigun aim animation
• Corrected animations for the extinguisher - added a Weapon class for it
• Corrected animations for MP5
• Corrected animations for the spraycan - added a weapon class for it

[in0finite]

Good job on this !

I remember that "FLAME_fire" animation could not be loaded in the past, that's why it was disabled. It seems it somehow got fixed in the meantime 😁