generate NPC

NPC.as : npc data: name, task...
NPCManager.as: define NPC type (shop, storage...) , get NPC, NPC status..
NPCControl.as: npc control functions (task progress control...)
NPCControlView: Control what to display (control NPCPanel
MapInfoNPCView.as: show NPC on the map, add mouse event listeners (load /res/swf/npc/)