add an authority item and  navi link for mail_template
add edit_validation in order of model and fixed model relationship
change mail_template code logic to clean the session
update model relationship based on Model_Order
update lang files of model and order
add confirm function and template of Order module
add js of select all in order/edit
temp
Merge branch 'products_dev' of /home/yuyao/workspace/AOKI_EC into products_dev

Conflicts:
	fuel/app/classes/model/order.php
	fuel/app/modules/management/classes/controller/order.php
	fuel/app/modules/management/templates/order/create.php