Probably the last update since this addon is completed

- Changed smoke particle for xen grenade explosion
- Fixed reviver not spawning a reviver zombie using the unused zombie model
- Optimized code controlling the shell of armored headcrab
- Balanced files between this and the content addon, so part 2 is not needed anymore

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- Fixed missing texture on Zombine Gunner

- Added Barnacle, Snark, Xen Grenade, Xen Grenade Plant and HL2 Electric Zombie
- Added Snark and Xen Grenade weapons
- Added HLA Icon in the spawnmenu
- Added unused zombie model as a seperate npc
- Added more animations to npcs
- Improved materials and textures
- Improved footstep timing of various npcs
- Improved particles
- Fixed bug related to unused zombie and electric zombie npcs
- Fixed bug relating to ragdolled headcrabs trying to get picked up by barnacles

- Added Zombie Torso
- Added more animations to Zombine Gunner
- Added blood particles to Reviver Zombie when it is dying
- Improved Reviver Zombie hitboxes
- Improved blood particles for zombies (Green/Yellow blood when hitting headcrab, red when hitting zombie)
- Fixed error where headcrab does not attack after dropped from dead zombie

- Fixed HL2 Poison Headcrab error when going to walk

- Fixed Zombine Gunner performing a reverse spine lengthening surgery
- Tweaked collisions between headcrabs and zombies

- Added HL2 Zombie and Poison Headcrab with HLA animations
- Added more animations to Zombine Gunner, Headcrab and Reviver
- Added additional face bite attack for Reviver and normal headcrab
- Added new npc icons for the last time
- Added new jumping and running system for headcrabs
- Added more sounds
- Improved textures and implemented BlueFlyTrap's PBR method
- Improved Reviver's system of smoke attack and escaping
- Improved Reviver's model
- Improved the ragdolls (kinda)
- Improved Reviver particles
- Improved hard difficulty
- Fixed zombie running animations and electric zombie walking animations being weird
- Fixed lag upon spawning a lot of npcs
- Fixed Electric zombie being invincible sometimes even with reviver out, incorrectly displaying position of Reviver, not choosing the Reviver position correctly and walking on mid air aftee being possessed by a Reviver.
- Fixed some npc animations not showing
- Removed Snark and Xen Grenade Plant from spawnlist to prevent false hopes
- Removed Herobrine