Dunmos MkIII

Not clean because the mapping tools/github/byond refuse to make it clean
even after numerous retries
Dunmos MkIII, now with lights and cameras

Fixed cameras and lights, added some, in atmosia and aux engineering.
Dunmos MkIV

Now with a few more pipes.
Dunmos MkV

Final tweaks, activating pipes for basic atmos functionality so atmos
techs can continue being underrated by the entire crew
Changelog
Merge pull request #1047 from Duny-/Dunmos

Dunmos