Water cools hot turfs even if they do not have a hotspot.

Also adjusts fire extinguisher volumes to correspond to the new beaker
volumes, and scales things accordingly.
Doors can now be broken through damage. Broken doors can be crowbarred open. High-securiry doors automatically bolt themselves when broken. Doors which are damaged, but not broken, can be repaired with sheet metal. Broken doors must be reconstructed. Spark overlays for damaged and broken doors.

Windows and doors will display messages indicating extant of damage as they are damaged (e.g. "Cracks begin to appear in [src]!")

Metal rods can substitute for crowbars to force unpowered and broken doors, as well as firelocks.

Window damage code cleaned up and centralized.
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into dev
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into dev
Removes world print, re-adds react() call

Also removes checks for if(W.reagent) in extinguisher code, as that is
being handled separately.
Area-based Jukebox

A jukebox which alters the ambient sound in the current area and plays it with 100% probability.
Leaving the area stops the ambient sound.
Entering the area resumes playing the ambient sound.
Bug where non-airlock doors would disappear upon power update fixed.

Metal rods no longer work as improvised crowbars with regards to unpowered/broken doors.

Glass airlocks now have 300 health. Hit sounds changed.

At least 10 force now needed for weapon to be able to damage doors.
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into dev
Adjusts secondary unarmed attacks
Adds Matthew951's custom borg sprite to custom-synthetic.dmi.
(De)constructable emergency shutters.

Can now construct emergency shutter assemblies from metal sheets, same as door assemblies.
Requires air alarm circuits to complete, rather than airlock circuits.
Merge remote-tracking branch 'upstream/dev' into fire-extinguishers
Captain join announcement sound

Adds a sound to the announcement that is made when the captain joins.
The sound only plays if the captain joins after round start.
Changelog update.
Adjusts whistle sound

Reduced pitch by 2 semitones and volume by another -1.5 dB.
More Mapping

Fixes #6913.
Splits the arrival section up into sub-areas to reduce the need of crew rescue.
Makes catwalks act as plating instead of floor.
Misc. changes.
Custom loadout updates

Adds sorting to the custom gear menu list.
Adds the white cheongsam as a custom gear item.
Moves the purple comb out of the custom item defines as it is no longer
just a custom item.
Adds pockets to the bomber jacket.
Reduces the cost of ponchos to 3.
Merge pull request #6905 from MrSnapwalk/propagandabot3000

Adds Matthew951's custom borg sprite to custom-synthetic.dmi.
Merge pull request #6851 from RavingManiac/dev

Breakable doors, door and window damage messages
Merge pull request #6912 from mwerezak/boatswain

Adds sound for the captain-spawning announcement