Noise changes

[SUPERMAN112]

Summary (a quick, 2-3 sentence summary): Alter the sound effects for the pulse rifle, smart-gun, and flamethrower to match their counterparts in the aliens movie
https://www.youtube.com/watch?v=G3p8OpFJYRU
https://www.youtube.com/watch?v=uz0UkvGU2qE\
and maybe even add that xeno screech present when they get shot

Benefits (How this will benefit the server and game as a whole): It will help add that extra layer of Aliens to the game

Details (Description of how you think this would work, the benefits, etc):

Implementation (Optional, if you have an idea how to implement it):

[Snypehunter007]

Old. No support.

Locking.