Merge pull request #4676 from PsiOmegaDelta/MapFixes

Map fixes - Tactical, central primary, medbay, telescience, and engine
Map fixes, crawl tweaks
map fixes
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into dev
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into dev
Merge pull request #4679 from Glloyd/ear_stuff_1

Lets people put penlights into their ears.
Merge pull request #4655 from RavingManiac/dev

Inflatable walls and airlocks
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into dev
A first pass at more realistic w_class values
Merge branch 'dev' of https://github.com/Glloyd/Baystation12 into dev
Merge pull request #4684 from mwerezak/master

Code cleanup regarding APCs
Merge branch 'master' of github.com:Baystation12/Baystation12 into dev

Conflicts:
	html/changelog.html
nukers faction fix
clean up
Merge remote-tracking branch 'upstream/master' into bs12-merge

Conflicts:
	baystation12.int
	code/ZAS/FEA_system.dm
	code/_onclick/hud/hud.dm
	code/game/gamemodes/gameticker.dm
	code/game/jobs/whitelist.dm
	code/game/machinery/kitchen/smartfridge.dm
	code/modules/clothing/glasses/glasses.dm
	code/modules/mob/living/carbon/human/life.dm
	code/modules/mob/living/silicon/ai/ai.dm
Code Effeciency Project:  Vent scrubbers have a bit more sanity.

No longer checking for 0.00000000000000000000000001 moles of toxins scrubers can only detect stuff worse then 0.001 moles.

Have a nice day.
merge fixes
Renamed paperwork no longer has 'paper -' in name
Fixes #4689

Rods can't break reinforced windows.
Made single cable pieces have w_class = 1

Single cable pieces have w_class = 1 and can be tucked behind the ear.