[*] Core: Add options for taxes rounding
//ecotax
// small fix
// taxes
//
// tax_rules_group historization
// orderslips
// typo
// small fix
// small fix
// small fix
// small fix
// small fix
// forgot this
[*] BO : Theme installator custom hooks problem
[-] WS : Fix Carrier xlink #PSCFV-10198
// Override update
[*] Core : Added option to put smarty cache in the database instead of the filesystem
// same order as product page for getAttributesColorList
Merge branch '1.6' of https://github.com/PrestaShop/PrestaShop into 1.6