Merge pull request #6274 from PsiOmegaDelta/SecbotClenaup

Security bot cleanup
Human (and sub-races) are no longer cloned with clothes.
Fixes heater/freezer icon updating if power cut
Supply/scrubber upward pipes, downward pipes and pipe caps added.
Merge pull request #6280 from PsiOmegaDelta/RoundEndFixes

Round-end feedback fix
Merge pull request #6276 from faerindel/CE_door_duped_fix

Fixes #6096.
Merge pull request #6277 from PsiOmegaDelta/SayNoToUnderwear

Crew members are no longer cloned with clothes.
Merge pull request #6278 from PsiOmegaDelta/StopRunningInTheShower

Wet shower floors
Readds powered pump to air injector
Fixes APC load totals periodically doubling

Also fixes areas updating excessively when update_use_power() was
called.
Fixes pressure regulator mode
Fixes floor tiles

Laugh.
Fixes critical gas freezer bug
Adds atmos/supermatter debug messages
Increases how long the candle lasts.

Candle should last about ten times longer making it more useful as a light source.
Update candle.dm
Powernets

Moved powernet datum definition to powernet.dm
Improved APC load balancing.
Updated SMES charging to work better with new APC/powernet code.
Supermatter balance

Attempts to rebalance SM to work with new atmos machinery. Testing with
a 2-freezer 2-canister default setup, the engine can run to 500 kW at
700 K.
Multiz fixes and mapping features take 3
Add grape juicing to reagent grinder