Add commerce WEB API

Conflicts:
	Plugins/Modules/Rbs/Commerce/Assets/Theme/js/cart.js
	Plugins/Modules/Rbs/Commerce/Assets/Twig/Blocks/order-process/shipping.twig
	Plugins/Modules/Rbs/Geo/GeoManager.php
Add rbsDate and rbsDateTime angular filters.
Code formatting, comments and minor enhancements.
Product returns module (in progress)
Add rbsAjaxOpenWaitingModal and rbsAjaxCloseWaitingModal on AjaxAPI in front office + rbsAjaxWaitingModal directive to catch the emitted events.
Minor fixes and enhancements.
Add new rbsMaxHeight directive in front office.