ADD mobile WebSocket realtime act list add
FINISH the desktop platform code running in mobile successfully

	修改:         main/application/controllers/act_list.php
	ADD MobileGetActListInit function to init the mobile act list

	修改:         main/application/models/act_model.php
	ENABLE user to get act list data in any direction and CONFIRM the method of 'limit' in PDO

	修改:         main/application/views/act_add_view.php
	UPDATE WS act realtime add function to 'desktop|mobile'

	修改:         mobile_websocket/index.html
	ADD the dynamic act list of mobile platform

	修改:         mobile_websocket/iscroll/iscroll.js
	ADD the function of drag to get new act list data

	修改:         mobile_websocket/js/act.js
	UPDATE list_draw to display act list correctly

	修改:         mobile_websocket/js/nws_v2_mobile.js
	ADD the WS 'group' case and append a switch in it which can judge whethere WS or not