add stop_muc_rooms_on_this_node.erl
add stop_muc_rooms_on_this_node.erl

wcy123/erl_tool,zhuxiangkui/erl_tool,wcy123/erl_tool,wcy123/erl_tool,zhangchaoeasemob/erl_tool,zhangchaoeasemob/erl_tool,zhuxiangkui/erl_tool,zhangchaoeasemob/erl_tool,zhuxiangkui/erl_tool,zhuxiangkui/erl_tool,zhuxiangkui/erl_tool,wcy123/erl_tool,wcy123/erl_tool,zhangchaoeasemob/erl_tool,zhangchaoeasemob/erl_tool