Add pagination to the product list (backOffice)
correction of the method performAdditionalUpdateAction
As the customerController, the method performAdditionalUpdateAction is useless as long as we have an <input type="hidden" name="page" /> AND a well configured successUrl :)
Merge pull request #449 from Yochima/yochima-branch

Add pagination to the product list (backOffice)
Fix cs
	modifié:         core/lib/Thelia/Core/Event/SessionEvent.php
	modifié:         core/lib/Thelia/Core/EventListener/SessionListener.php
	modifié:         core/lib/Thelia/Core/TheliaKernelEvents.php
	modifié:         core/lib/Thelia/Model/CartItem.php