Megatub changes and fixes

rcd to CE
engineering rewired so everything isn't wired into the grid
some slight layout changes in engineering
engineering foyer made larger with the removal of the waste of space, dead end maint
supermatter room added to the station
NE solar moved to NW of dorms
singularity wall made unfinished - should always be by default
reconnected xenobiology power
toxins lit up
mechanics corridor fixed
port emergency storage added
fixed minisat turrets and changed the decor a bit
fixed research shuttle and gave it a temporary dock connected to toxins launch
more door consistency changes
fixed some lighting in places
fixed access on minisat doors
change to break room layout so the maint above it is better
fixed some maint area zoning
fix robotics and aux tool storage power (holy shit)
deliberately stacking lights, fire alarms, air alarms and sec cameras on
top of each other is the height of retardation
general fixes like pipes somebody else cut in R&D and elsewhere