Updated the additional MetaStation map to v22D from v22A

Ok, this is my first attempt at a pull request, please tell me if something is wrong here. The only changes should be deleting the old MetaStation 22A and replacing it with MetaStation 22D

Updated the additional MetaStation map to v22D from v22A
v022D
- Added a few small changes to maintenance and some other areas, adding a few MULEBOT delivery points that were missing, as well as one to disposals.
- Fixed the APC direction in the janitor's closet
v022C
- Made some changes to the shuttle to make it nicer
- Fixed some problems with the atmos burn chamber being a bit clunky. It's more usable now.
v022B
- Got rid of table between sleepers in the emergency shuttle. Sleepers should be fine now.
- Remade the AI upload foyer so servers are not doubled unnecessarily.

Full image of the station: https://dl.dropbox.com/u/858120/Static/SS13%20Map%20Thread/13-03-10%2019-23%2022D.png

Please post any feedback here:
http://forums.nanotrasen.com/viewtopic.php?f=16&t=12512