Psych bed >> Freudian couch

Vetinarix kept the icon_state name when the Medbay Renovation PR thing got in. Malsquando wanted this changed.
Teacup icon clipping fix.

Might need to be done to coffee as well.

Thanks Serveris6 for the report:  http://prntscr.com/3wyah5
Merge pull request #5377 from Ccomp5950/teacup-spawn-fix

Teacup icon clipping fix.
Psychiatrists couch
Camera relocation - part 2. Based on PR to dev.

Adjusts a camera in research to reveal the entire main entrance.
Adjusts camera on the main mining station to allow seeing both sides of the bridge.
Adjusts camera in virology quarantine.
Merge pull request #5376 from Jarcolr/patch-2

Psych bed >> psychiatrists couch
Merge pull request #5380 from PsiOmegaDelta/Cameras2

Camera relocation - part 2
Fixes #4688

Or attempts to at least.
Merge pull request #5394 from mwerezak/air-alarm-fix

Fixes #4688
Fixes #5405

Restores missing shutter button in Cargo bay, once again allowing (easy) access into the warehouse.