Box fixes/changes.
Created by: Probe1
Ready for Review/Merge.
(Box) Removes a badly placed ATM in Cargo https://github.com/d3athrow/vgstation13/pull/13308#issuecomment-271129148 (Box) Diverts cryo emergency purge valve to the left instead of the north so its invisible to players. https://github.com/d3athrow/vgstation13/pull/13308#issuecomment-271129153 (Box) Tweaks disposals so players can send unlabeled packages to Cargo. https://github.com/d3athrow/vgstation13/pull/13308#issuecomment-271129148
Closes https://github.com/d3athrow/vgstation13/issues/13099 Closes https://github.com/d3athrow/vgstation13/issues/13072 Closes https://github.com/d3athrow/vgstation13/issues/8186