Fixes mulebots killing passenger, bot tweaks

code/controllers/Processes/bot.dm

@@ -1,27 +0,0 @@
-/datum/controller/process/bot/setup()
-	name = "bot"
-	schedule_interval = 20 // every 2 seconds
-
-/datum/controller/process/bot/started()
-	..()
-	if(!aibots)
-		aibots = list()
-
-/datum/controller/process/bot/statProcess()
-	..()
-	stat(null, "[aibots && aibots.len] bots")
-
-/datum/controller/process/bot/doWork()
-	for(last_object in aibots)
-		var/obj/machinery/bot/B = last_object
-		if(istype(B) && isnull(B.gcDestroyed))
-			// Some bots sleep when they process, but there's not many bots, so just spawn them off
-			spawn(-1)
-				try
-					B.bot_process()
-				catch(var/exception/e)
-					catchException(e, B)
-			SCHECK
-		else
-			catchBadType(B)
-			aibots -= B

code/game/machinery/portable_turret.dm

@@ -556,7 +556,7 @@ var/list/turret_icons
 	if(!L)
 		return TURRET_NOT_TARGET
 
-	if(!emagged && issilicon(L))	// Don't target silica
+	if(!emagged && (issilicon(L) || isbot(L)))	// Don't target silica
 		return TURRET_NOT_TARGET
 
 	if(L.stat && !emagged)		//if the perp is dead/dying, no need to bother really

code/modules/mob/living/simple_animal/bot/bot.dm

@@ -3,7 +3,7 @@
 // AI (i.e. game AI, not the AI player) controlled bots
 /mob/living/simple_animal/bot
 	icon = 'icons/obj/aibots.dmi'
-	layer = MOB_LAYER
+	layer = MOB_LAYER - 0.1
 	light_range = 3
 	stop_automated_movement = 1
 	wander = 0
@@ -389,8 +389,8 @@
 /mob/living/simple_animal/bot/proc/speak(message, channel) //Pass a message to have the bot say() it. Pass a frequency to say it on the radio.
 	if((!on) || (!message))
 		return
-	if(channel && Radio.channels[channel])// Use radio if we have channel key
-		Radio.autosay(message, name, channel)
+	if(channel)
+		Radio.autosay(message, name, channel == "headset" ? null : channel)
 	else
 		say(message)
 	return

code/modules/mob/living/simple_animal/bot/mulebot.dm

@@ -591,7 +591,8 @@
 			bloodiness--
 
 		for(var/mob/living/carbon/human/H in next)
-			RunOver(H)
+			if(H != load)
+				RunOver(H)
 
 // calculates a path to the current destination
 // given an optional turf to avoid