Added possibility to save search filters, and to list and reapply them later.
Refactoring of document filters (everything is in Change instead of Generic plugin).
Added user feedback on buttons.
Merge pull request #865 from loiccouturier/master

Enhance display of variant product in FO
Merge pull request #864 from fredericbonjour/Admin

Added possibility to save search filters.
Implement fees and discounts on Cart and Order
Merge pull request #866 from inthause/documents

Implement fees and discounts on Cart and Order
Enhance variant editor. Add quick action on product list.
Enhance FO product. Use boolean categorizable to display final variant product or not