colt m1911 can no longer be stacked

woah! big update!

* Owen Submachine Gun
* Charlton Automatic Rifle
* PPSH-41
* Remade Kar98K/Scoped Sprites & synchronized firing sounds
* Added faint bullet tracers to every gun
* Added impact sounds for some submachine guns and light firearms when they hit a body

+ Added Colt M1911
+ Added M3 Grease Gun

- fixed lee enfield size
- fixed mg34 size

- resized m1 thompson size
- many many other fixes, lots of things are fixed yes true

- fixed Stahlheim sprite size being abnormally large when dropped
- Resized 9mm para rounds
- fixed StahlheimOld being too small to fit on your head
- Reduced BarM1918 magazine size from 40 rounds to 20

- fixed mk1 sten desync

fixed the following guns causing major server desync:
- m1 thompson
- barm1918
- mg34
- lewis gun

- balancing probably

+ Added back MP18
+ added quality modifiers for more guns

remade STG44 and MP40 xml so they shouldn't cause server desync anymore