Audit Page complete.

1.	This page can let manager to check lend forms.
2.	Use easy radio button to comfirm the forms.
3.	Then item_list and lend_list will show the result.
	Pass:	Item will change from 'available' to 'lend out'
			Lend will change from 'audit' to 'now lending'
	Reject: Lend will change from 'audit' to 'rejected'
	Default:It will do nothing on the form