[*] CORE : Add new hook actionBeforeCartUpdateQty
In order to block some cart actions, we must have an input before Cart::updateQty() is processed.
It's way better than doing the job after actionCartSave hook so the cart is only updated (or not) one time.
[*] CORE : Add new hook actionBeforeCartUpdateQty
Follow up previous commit, add some line feeds
[*] CORE : Add new hook actionBeforeCartUpdateQty
Follow up previous commit
Removed 'id_product' from array
We can't remove $id_product_attribute, data come from Tools::getValue('ipa') or the default product attribute if undefined
Merge pull request #2254 from prestamodule/fix-3

[*] CORE : Add new hook actionBeforeCartUpdateQty on Cart