Merge pull request #9601 from Ghommie/Ghommie-cit265

Ports move force and move resist, movement/pushing/pulling tweaks & co.

code/modules/mob/dead/dead.dm

@@ -4,6 +4,7 @@ INITIALIZE_IMMEDIATE(/mob/dead)
 
 /mob/dead
 	sight = SEE_TURFS | SEE_MOBS | SEE_OBJS | SEE_SELF
+	move_resist = INFINITY
 	throwforce = 0
 
 /mob/dead/Initialize()

code/modules/mob/dead/new_player/new_player.dm

@@ -12,7 +12,6 @@
 	stat = DEAD
 	canmove = FALSE
 
-	anchored = TRUE	//  don't get pushed around
 	var/mob/living/new_character	//for instant transfer once the round is set up
 
 /mob/dead/new_player/Initialize()

code/modules/mob/dead/observer/observer.dm

@@ -12,7 +12,6 @@ GLOBAL_VAR_INIT(observer_default_invisibility, INVISIBILITY_OBSERVER)
 	stat = DEAD
 	density = FALSE
 	canmove = 0
-	anchored = TRUE	//  don't get pushed around
 	see_invisible = SEE_INVISIBLE_OBSERVER
 	see_in_dark = 100
 	invisibility = INVISIBILITY_OBSERVER
@@ -625,14 +624,6 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 		to_chat(src, "<span class='warning'>This creature is too powerful for you to possess!</span>")
 		return 0
 
-	if(istype (target, /mob/living/simple_animal/hostile/spawner))
-		to_chat(src, "<span class='warning'>This isn't really a creature, now is it!</span>")
-		return 0
-
-	if(!can_reenter_round)
-		to_chat(src, "<span class='warning'>You are unable to re-enter the round.</span>")
-		return FALSE
-
 	if(can_reenter_corpse && mind && mind.current)
 		if(alert(src, "Your soul is still tied to your former life as [mind.current.name], if you go forward there is no going back to that life. Are you sure you wish to continue?", "Move On", "Yes", "No") == "No")
 			return 0