Tracking added for AI's and Observers
Instead of calling GetVoice() over and over for everyone that can hear you we're checking a variable that is updated with Life()
removed a bunch of my debug verbs.
Conflicts:
code/game/machinery/telecomms/broadcaster.dm
code/modules/mob/dead/observer/observer.dm
code/modules/mob/living/carbon/human/human_defines.dm
code/modules/mob/living/silicon/say.dm