Moved inflatable barriers into eng EVA storage

Moved the inflatable barrier storage from out in the hallway into the engineering EVA storage, lengthening the storage room by 1 tile.

The new engineering EVA storage room:
![screenshot 2014-05-01 11 57 55](https://cloud.githubusercontent.com/assets/242428/2854028/c6e063fc-d14b-11e3-8ad3-76ff41568c6a.png)

The new lobby:
![screenshot 2014-05-01 11 57 28](https://cloud.githubusercontent.com/assets/242428/2854030/cc01ea04-d14b-11e3-9ca5-1f3a00e2ba97.png)