Map Enhancements to Chemistry, Engine Room, QM's office, and Head of Personnel's Office. Resolves Issue #29, map portion of Issue #10

Chemistry
-Added a second chem dispenser and shifted objects to have a complete second station
-Removed one large grenade casing and replaced with an igniter to have exactly three grenades possible with no leftovers
-Moved light switch (partially due to accidental deletion)

Head of Personnel's Office
-Removed mining camera computer due to cargo being an entirely separate department
-Moved paper bin to be on table adjacent to the front desk for easy access for paperwork

QM's Office
-added keycard authorization slot
-added announcement option to QM's request console

Security Dormitories
-Added general security access requirement

Engine Room
-Removed Air Alarm in core area due to instant alarm state on shift start (and lockdown)
-Added gas sensor to core room and linked to the computer in the engine room. Screen outputs pressure, temperature, and percentages of nitrogen, oxygen, and plasma in the gas mix
-Changed core doors to be bolted by default