Updated MetaStation v22E.dmm to Metastation v23C.dmm

- Fixed atmos freezing issue
- Added Ian again
- Added second dispenser in chemistry
- Fixed a few cabling/plumbing issues, should be perfect again
- Changed firelocks, they are under almost all normal doors now.
- A few other fixes and adjustments

The first playtest went well other than the horrific freezing bug. So this is good.
Full-size image of the map: https://dl.dropbox.com/u/858120/Static/SS13%20Map%20Thread/13-03-13%2022-49%20v23C.png
Stand-alone map download: https://dl.dropbox.com/u/858120/Static/SS13%20Map%20Thread/13-03-13%2020-49%20MetaStation%20v23C.dmm
Post comments here:
http://forums.nanotrasen.com/viewtopic.php?f=15&t=12562&p=197557#p197557

Smaller image:
![13-03-13 22-49 v23C 800](https://f.cloud.github.com/assets/3833444/256696/5d901f00-8c32-11e2-8d92-62bc246f2f57.png)