[-] INSTALLER : TEXT field can sometimes not have a default empty value
[+] Core : added a boolean in the database (guest/cart/order) in order to know if the customer used the mobile theme for the order
// A bit of cleaning in the admin css
// Added subscription to the newsletter (optionnal)
// Added the possibility to change your activity in the back end
Merge branch 'development' of https://github.com/PrestaShop/PrestaShop into development