A collection of small map changes.
-Added several dead-ends, loops, and miscellaneous loot in maintenance
-Moved captain's dresser and locker into his quarters
-Moved captain's laser to his office
-Made toxins windows slightly smaller to be consistent with the other labs (Looks better)
-Fixed missing scrubber unit in telecoms
Added a signaller to prison wing
Merge pull request #364 from Ikarrus/map_maint

[MAP] A collection of small map changes
-Added several dead-ends, loops, and miscellaneous loot in maintenance
-Moved captain's dresser and locker into his quarters
-Moved captain's laser to his office
-Made toxins windows slightly smaller to be consistent with the other labs (Looks better)
-Fixed missing scrubber unit in telecoms
-Added a signaller to prison wing for the electropack