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

code/WorkInProgress/computer3/upload/programs.dm

@@ -0,0 +1,13 @@
+/*
+	Note that as with existing ai upload, this is not an interactive program.
+	That means that the work is done in execute() rather than interact()
+*/
+
+/datum/file/program/upload/ai
+	execute(var/datum/file/program/source)
+		if(!interactable() || istype(usr,/mob/living/silicon))
+			return 0
+		if(!computer.net)
+			usr << "An indecipherable set of code flicks across the screen.  Nothing else happens."
+			return
+		var/list/results = computer.net.get_machines