-fixed sprite depth issues

Fixed textures that were moved by the patches.

Changed class to Submarine.

Drone sign update.

Fixed flooding issues in the electrical rooms. The updates had combined the three hulls into one, confusing the gaps on the doors.

Update 7:

-fixed sprite depth of some objects.

Update 6:

-added protective chamber to drone junction boxes
-added in-game description

Update 5:

-fixed drone issue, drone is now fully functional
-unlocked lower engineering door assembly so rewiring is possible.

Update 4:

-fixed issue with workshop uploading where the sub file wouldn't actually download
-fixed Warp junction box access
-added fail-safe power to junction room drain pump