- Fixed backup power staying offline when primary junction box was broken

-Follow-up optimizations

-Fixed bug in reactor temperature display
-Reworked battery charge controller
-Added "Zero" charge setting
-Reworked "Turbo" setting to force charging in any situation, and disable output
-Improved battery display

-Replaced temperature control with a much simpler and more reliable solution

-cleanup

- Added safe mode for reactor to prevent overheating (can be toggled on/off with a button)
- Added reactor display
- Replaced light control circuit with simpler, optimized version and removed performance fix compatibility commands

-corrected a mistake made during recent edits

- Replaced all airlock circuits with optimized versions
- Removed the "docking override" lever for lower airlock, hatch can be opened manually now when docked
- Minor improvements and optimizations
- Overall, quite a significant reduction (~10%) in item count

- more airlock duct positioning & waypoint adjustment

- Changed to Tier I
Reasons for Tier 3 were:
-lot of effort put into it, so basically vanity - not a good reason
-making it possible to finish the campaign with it - no longer a concern since a mechanic talent exists that lets you upgrade any sub to tier 3
(Upgrade commands will still work up to level 3)

-More changes for airlock ducts, a couple of circuit optimizations