Adds air tight flaps to disposals, Medical door to medical hardsuits and adds the NT standard lawset to the upload that was, in fact, just sitting around waiting to be placed in the map. Go figure.
Adds the ERT to the debug command for adminnery. Not exactly like the pre-merge one, as that was based off something else so I couldn't copy-paste. It should give admins a easier time of making things up, though, and so long as future plans go into effect a admin ought to be able to do it on the fly in less then a minute.
Merge branch 'bleeding-edge-freeze' of https://github.com/Gamerofthegame/Baystation12 into bleeding-edge-freeze
Merge pull request #2369 from Gamerofthegame/bleeding-edge-freeze

Minor map fix, ERT-debug