Moved surgery from WIP to modules, since it's not really that WIP anymore.
Split one huge file into several smaller ones for readability.
Added doublecheck for disfigurement
Moved germ transferring and blood splatters in parent 'begin_step' of surgery steps.
Merge branch 'master' into surgery

Conflicts:
	code/WorkInProgress/surgery.dm
	code/modules/mob/living/carbon/carbon_defines.dm
Merge branch 'surgery'
Fixed autopsy scanner defines.
Committing map changes for faux.
Fixed runtimes in airflow.
Fixed issue #2158
Now shutters will work with crowbar without asking.
Merge pull request #2194 from comma/master

Surgeray