1.9.0

[ + ] Import already delivered order (35445) #187
[ + ] Insert in metadata of product feed module and php version (36040) #188
[ + ] Send orders taken on the PrestaShop (30199) #189
[ + ] Add module hidefeatures in potential conflict with product feed #200
[ + ] Manage addition fields for Zalando displayed on invoices (35450) #194
[ + ] Upgrade SDK shoppingfeed (35634) #191
[ * ] XML feed: fix selection of products (36151) #190
[ * ] Revert ecotax on variations #199