Migrate editors in module Rbs_Payment.
Fix PHP warning in front login action.
Migrate editors in module Rbs_Discount.
Migrate editors in module Rbs_Commerce.
Enhance getModelTwigAttributes related listeners.
Misc minor fixes.
Migrate editors in module Rbs_Catalog.
Migrate editors in module Rbs_Order.
Merge pull request #987 from intportg/dev

Migrate last editors + fixes