Made Cyanide more deadly, added OD to Hyperzine

Because fuck those who OD on Hyperzine, and Cyanide needs to kill faster
(not like cyanide is used by anyone else than Nukeops anyways)
Added heat radiation to H/E pipes

Added black-body heat radiation to H/E pipes placed over /turf/space
according to Stephan-Botzmann law

Conflicts:
	code/ATMOSPHERICS/he_pipes.dm
Quick fix to TEG

When one of TEG circulator intakes had gas while the other had no (null)
the air in the first used to be deleted. Fixed this behavior.
Renamed Atmos Tech to life support specialist due to new grav gen responsabilities