ADD authorizee management method

	修改:         main/application/controllers/act_add.php
	ADD authorizee control code
	新文件:       main/application/controllers/act_list.php
	ADD blank file
	新文件:       main/application/controllers/test.php
	ADD a test field of the project
	新文件:       main/application/libraries/Authorizee.php
	ADD two function that developers can check the user wethere have the permission to use the model ,
the other is to get user authorizee list to serve the index
	修改:         main/application/models/role_model.php
	ADD a function that can use user id to get role id