Patch 10 - Enemy Proximity Sounds

-Each enemy type now has their own breathing sound, it's is proximity based. This will help the player know when an enemy is close.
-Added a hit icon to player UI, which will show what direction the player got hit from.
-Changed Death level down from -2 to -1.
-Improved mission kill tracking, Buddy Bots will no longer steal players kills.
-Slightly nerfed purple enemy(Sniper).
-Did some overall audio improvements.