-Fixed a typo on the fire alarm
-Repositioned things in stowage to make the oxy. generator easier to see.
-Slightly repositioned railgun shell racks to make them easier to see.
-Put the floating oxygen tanks in stowage into the cabinet.
-Changed sub tier from 3 to 2, since the sub is supposed to be powerful, but not end-game powerful.

-Fixed the gap at the front where monsters would get stuck
-Fixed a nav terminal being on top of readouts
-Adjusted airlock ladder to be in-line with station's
-Upped ballast size slightly to compensate for airlock causing sinking
-Fixed neutral ballast level being reset to default