Initial commit of Computer 3 from Paradise, along with a bunch of fixes.

Conflicts:
	code/__HELPERS/unsorted.dm
	code/datums/browser.dm
	code/setup.dm
	icons/obj/computer3.dmi
Paradise fixes to PR
Fixed up security, medical, card, and crew. Made Computer 3 actually do what it's supposed to do.

Conflicts:
	code/datums/browser.dm
	html/browser/common.css
lowercase ntos by request of mloc + updates to background.
laptop vending part 1. and more cleanup.

Conflicts:
	icons/obj/computer3.dmi
fixes for potential runtimes.
laptop vendor!
allows laptops to be recharged in rechargers.

Conflicts:
	code/game/machinery/recharger.dm
Forgot to commit welcome.dm
uses get_turf instead of get_turf_loc now
Compile fix
Added laptop vendor to map plus a few icon changes