Worked with Cael and Gamer to adjust a few things in Engineering. Added firelocks, fixed the atmos/engineering delivery door and name. Fixed some vent roundstart values. Added cael's shields to secure store. changed around access to the escape pod and hardsuits. Moved one of the two welding goggles from the assembly line to engineering tool store. Fixed the maint door. Added a room to maint.

Signed-off-by: Jamini <mobiousjami@gmail.com>
Merge pull request #2500 from Jamini/bleeding-edge-freeze

Worked with Cael and Gamer to adjust a few things in Engineering. Added ...