Merge remote-tracking branch 'upstream/dev-freeze' into dev

Conflicts:
	code/ZAS/Controller.dm
	code/datums/mind.dm
	code/game/objects/items/devices/scanners.dm
	code/game/objects/items/stacks/sheets/glass.dm
	code/modules/materials/materials.dm
	code/modules/mob/living/carbon/brain/posibrain.dm
	code/modules/mob/living/silicon/pai/pai.dm

code/game/objects/items/devices/PDA/PDA.dm

@@ -1058,6 +1058,21 @@ var/global/list/obj/item/device/pda/PDAs = list()
 	log_pda("[usr] (PDA: [sending_unit]) sent \"[message]\" to [name]")
 	new_message = 1
 
+/obj/item/device/pda/verb/verb_reset_pda()
+	set category = "Object"
+	set name = "Reset PDA"
+	set src in usr
+
+	if(issilicon(usr))
+		return
+
+	if(can_use(usr))
+		mode = 0
+		nanomanager.update_uis(src)
+		usr << "<span class='notice'>You press the reset button on \the [src].</span>"
+	else
+		usr << "<span class='notice'>You cannot do this while restrained.</span>"
+
 /obj/item/device/pda/verb/verb_remove_id()
 	set category = "Object"
 	set name = "Remove id"

code/game/objects/items/weapons/tools.dm

@@ -262,6 +262,8 @@
 
 //Removes fuel from the welding tool. If a mob is passed, it will perform an eyecheck on the mob. This should probably be renamed to use()
 /obj/item/weapon/weldingtool/proc/remove_fuel(var/amount = 1, var/mob/M = null)
+	if(!welding)
+		return 0
 	if(get_fuel() >= amount)
 		reagents.remove_reagent("fuel", amount)
 		if(M)
@@ -292,7 +294,7 @@
 	var/turf/T = get_turf(src)
 	//If we're turning it on
 	if(set_welding && !welding)
-		if (remove_fuel(1))
+		if (get_fuel() > 0)
 			if(M)
 				M << "<span class='notice'>You switch the [src] on.</span>"
 			else if(T)