Multi World NPCs + patch on Player interactions

Made NPCs now work properly on multiworld system. Solved multiple issues
regarding Player Shops not giving back items properly when owner exits.
Added restriction on changing channels at FM rooms, preventing shop
owner entering Cash Shop.

scripts/npc/1100006.js

@@ -0,0 +1,15 @@
+/**
+----------------------------------------------------------------------------------
+	Skyferry Between Victoria Island, Ereve and Orbis.
+
+	1100006 Kiru (On boat between Ereve and Orbis)
+
+-------Credits:-------------------------------------------------------------------
+	*MapleSanta 
+----------------------------------------------------------------------------------
+**/
+
+function start() {
+    cm.sendOk("Ah, such lovely winds. This should be a perfect voyage as long as no stupid customer falls off for attempting some weird skill. Of course, I'm talking about you. Please refain from using your skills.");
+    cm.dispose();
+}