runtime fix. the original code here was intended to make projectiles work with autopsy, but instead it just caused runtimes and made some mobs invulnerable

Signed-off-by: Cael_Aislinn <cael_aislinn@yahoo.com.au>
Merge pull request #2116 from caelaislinn/master

quick runtime fix
Merge pull request #2114 from GauHelldragon/master

Robot HUD fixes
Merge branch 'master' of https://github.com/Baystation12/Baystation12
Merge branch 'bleeding-edge-freeze' of https://github.com/Baystation12/Baystation12
Moved global steps list and it's initializing to TG's new place for such things.
Moved helper for checking if mob is down on some operable surface to unsorted helpers.
Checking for tool type now will properly work with subtypes (istype instead of comparing type var)/
Added 4 more AI status screens.
Added surgery caps.
Replaced codersprite for bloodpack with new ones.
Also now sprite changes depending on how filed bag is.
Replaced sprite with fixovein with nicer one.
Fixed contraband and surgery crate runtimes.
Fixed derp with fixovein icon
Added missing contraband.dm file
Added holosigns, specifically surgery one.
Pretty much a floating sign, toggled by a switch.
Merge pull request #2130 from comma/master

Sprites and stuff