Merge pull request #4016 from Baystation12/dev

0.1.7 Staging [3...2...1... LIFTOFF]
Added cryo suite to dorms.
Revert "Bygex - Regex implementation for byond."

This reverts commit a9bea16ac873c2b149294adf7dd49568ac5c5669.
Merge pull request #4054 from Zuhayr/feature

Adds cryo, reverts Bygex due to lack of .so
Fixes the nuke suit spawn proc.
Merge pull request #4056 from Zuhayr/feature

Fixes the nuke suit spawn proc.
Improvements to floors becoming dirty. They now become dirty over time instead of suddenly being really dirty at 50 steps.
De-clunking the revised dirt code.
Added checks so that space cleaner reagent and borgs can clean floors now too!
fix for accidentally deleted line.
Merge pull request #4060 from DJSnapshot/dev-freeze

Improvements to how floors become dirty
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into dev-freeze
Fixes for the Skrellian hardsuit helmet on-mob sprites.
Fixed detective semiauto turning wrong caliber when screwdrived.
Merge pull request #4068 from Zuhayr/feature

Skrellian hardsuit helmet resprites.
Tentative fix for #4037, unable to reproduce runtime to check.
IB nerf: Makes it harder to get IB, makes the initial bleed less.
Adds the walking cane as a useable wizard's staff.
Adds in the gentleman's suit for the gentlemanly wizard.
Puts in a gray flatcap for the wizard.
Adds in a fancy long jacket for him too.