Fixed hunters not dying when they should after being killmovable

Fixed playermodel colour not always working when killmoving

- Added support for custom killmove duration
- Tweaked ragdoll motion for some killmoves
- Added an option to spawn a health kit or vial after killmoving:
bsmod_killmove_spawn_healthvial
bsmod_killmove_spawn_healthkit

- Updated the addon's options menu to have these new settings

- Added a hook for when the ragdoll is created after a killmove so you can modify it's velocity and more
- Fixed duplicate shadows when killmoving

Fixed a small issue (that's another unneeded change note)

- Added a convar to always be able to killmove from behind "bsmod_killmove_anytime_behind"
- Fixed player movement jittering after a killmove (most noticeable in multiplayer)
- Fixed kick and killmove models not working with transparency
- Fixed player viewmodels sometimes deleting on respawn after being killmoved

- NextBots can now be KillMoved (it was that easy to add, wish I added it earlier lol)
- Fixed kick animations looking weird at certain angles
- Tweaked a front KillMove animation

Fixed a minor script error

- Added an option for thirdperson KillMoves, go to the addons options menu to enable it
- Fixed Punch SWEP not creating decals in singleplayer
- Used a better method for hiding the HUD when KillMoving (this includes no more "KillMove Initiated" message)
- Thirdperson kick animation now resets properly

- Punch SWEP now works better on Multiplayer
- Fixed a bug regarding dying while blocking
- Bone manipulation now works while KillMoving entities