-Added rimlighting for more realistic lighting

--Shared update across most of my playermodels--

Finally fixed the issue of multiplayer footsteps playing both normal and custom ones at the same time on clients

-Adjusted phong shading values

-fixed viewheight not working

Shared update across all of my playermodels:
-Footsteps will no longer keep playing when the player is dead

-improvements to c_arms
-added torpid animations from the game (with pac3 users in mind)

-fixed material error

-slightly improved the way footsteps are handled in multiplayer

-added panicked running animations for zeta bots
-death animation does not loop anymore

-update to c_arms. added procedual bones to help with rotating the wrist when using certain weapons