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/9220005.js

@@ -0,0 +1,50 @@
+/** 
+Roodolph - Happy ville 
+By fantier123
+**/ 
+var status;
+function start() { 
+        status = 0;
+	action(1, 0, 0); 
+} 
+function action(mode, type, selection) { 
+	if (mode == -1) { 
+		cm.dispose(); 
+	} else { 
+		if (mode == 0) { 
+			cm.sendOk("Talk to me again when you want to."); 
+			cm.dispose(); 
+		} 
+                if (mode == 1) 
+                        status++; 
+                else 
+                        status--; 
+                 
+                if (status == 1) { 
+                        if (cm.getChar().getMapId() == 209000000) { 
+                                cm.sendYesNo("Do you wish to head to where the #bSnow Sprinkler#k is?"); 
+                                status = 9; 
+                        } else if (cm.getChar().getMapId() == 209080000) { 
+                                cm.sendYesNo("Do you wish to return to Happyville?"); 
+                                status = 19; 
+                        }
+                        else {
+                                cm.sendOk("You alright?");
+                                cm.dispose();
+                        }
+                } 
+                else if (status == 10) { 
+                        cm.warp(209080000, 0); 
+                        cm.dispose(); 
+                } 
+                else if (status == 20) { 
+                        cm.warp(209000000, 0); 
+                        cm.dispose(); 
+                }
+                
+                else {
+                        cm.sendOk("You alrighty?");
+                        cm.dispose();
+                }
+        }
+}