adds whitelist functionality

code/modules/mob/new_player/new_player.dm

@@ -165,6 +165,9 @@
 		if(!tos_consent)
 			to_chat(usr, "<span class='warning'>You must consent to the terms of service before you can join!</span>")
 			return 0
+		if(client.iprestricted)
+			client.vpn_warning()
+			return 0
 		ready = !ready
 		new_player_panel_proc()
 
@@ -182,7 +185,11 @@
 			return 0
 
 		if(alert(src,"Are you sure you wish to observe? You cannot normally join the round after doing this!","Player Setup","Yes","No") == "Yes")
-			if(!client)	return 1
+			if(!client)
+				return 1
+			if(client.iprestricted)
+				client.vpn_warning()
+				return 0
 			var/mob/dead/observer/observer = new()
 			src << browse(null, "window=playersetup")
 			spawning = 1
@@ -220,7 +227,9 @@
 		if(!ticker || ticker.current_state != GAME_STATE_PLAYING)
 			to_chat(usr, "<span class='warning'>The round is either not ready, or has already finished...</span>")
 			return
-
+		if(client.iprestricted)
+			client.vpn_warning()
+			return 0
 		if(client.prefs.species in GLOB.whitelisted_species)
 
 			if(!is_alien_whitelisted(src, client.prefs.species) && config.usealienwhitelist)