Merge pull request #5334 from DJSnapshot/laptop

Computer3 : Working Laptops
Removes lonely scrubber pipes:

Under table in security lobby
Beneath vending machine in escape
Beneath status display in staff meeting room
Beneath left door in AI Upload Access
Beneath status display by AI Upload Access
Inside window in starboard Engineering maintenance

Adds missing scrubber pipes:
Cargo warehouse, straight pipe
Between Medbay and Misc. Research

Restores lost scrubber:
Security checkpoint, Arrivals
First pass on custom loadouts.
Removes lonely supply pipes:

Beneath northeast door in security lobby
Beneath north Fitness maintenance door
Beneath table in Tech Storage
Room between Toxin Mixing and Launch rooms.
Beneath Engineering EVA maintenance door

Adds missing supply pipes:
Chemistry, straight pipe
Teleporter door, straight pipe (flips existing pipe)

Restores lost vent:
Security checkpoint, Arrivals
Adds missing APCs:

Engineering Monitoring
Mining Station Communications

Removes excessive APC:
Research Outpost hallway
Adds light switches.

Adds a wrench to the crowbar in the Warden's office to allow handling of flash barriers.
Corrects two fire extinguisher cabinets which had lost their pixel shifts.
Mining tweaks, removal of debug/cruft, balancing of values.
Security specific pipe/air alarm changes.

Removes unnecessary air alarm in the evidence storage.
Enables two scrubbers, showers and tactical storage.
Reorganizes the scrubber pipes in the showers/tac.storage to go through the door instead of reinforced wall.
Update distribution.dm
Merge pull request #5355 from comma/holder

Moved scooping into a separate helper.
Update cat.dm
Merge branch 'newgear' of https://github.com/Zuhayr/Baystation12 into dev
Pipe fixes

- Cleans up silent pipe deleting (now creates a loose pipe item where the pipe section was)
- Allows pipe painters to paint disconnected pipes
- Removes OOC message from IC feedback
Atmos Overhaul - Phase 1

- Implements omni device core framework
- Adds omni gas mixer
Added omni filters

- Added omni gas filter
- Cleaned up some code in mixer.dm and omni_base.dm
Add omni devices to dispenser

- Added omni filters and mixers to pipe dispenser
- Added construction code
- A couple more cosmetic tweaks
Merge pull request #5359 from Baystation12/master

master -> dev
Merge pull request #5356 from PsiOmegaDelta/AllThePipes

Supply and scrubber pipes, APCs, and misc.
Merge pull request #5357 from Zuhayr/dev

Mining tweaks, removal of debug/cruft, balancing of values.
Couple of small tweaks.