Fixes a topic exploit in sleepers.
Removed the med-kit from the labor camp.
Changed the sleepers in the labor camp so that they weren't as efficient as the station sleepers, stopping them from being used by prisoners to escape.
Removed the sleeper console in the mining z level.
Added a medical computer there to use up the extra room.
Merge pull request #3024 from Giacom/sleeper_labor_fixes

Fixes a topic exploit in sleepers. Labor camp changes to help prevent easy escapes.