Add "Activate free shipping" option

	modified:   AdminIncludes/module-config-js.html
	modified:   AdminIncludes/module_configuration.html
	modified:   AdminIncludes/order-edit.html
	modified:   Config/config.xml
	modified:   Config/prices.json
	modified:   Config/routing.xml
	modified:   Config/schema.xml
	modified:   Config/thelia.sql
	new file:   Controller/FreeShipping.php
	new file:   Form/FreeShipping.php
	modified:   I18n/en_US.php
	modified:   I18n/fr_FR.php
	modified:   IciRelais.php
	modified:   Listener/SendEMail.php
	modified:   Loop/IciRelaisUrlTracking.php
	modified:   Model/Base/AddressIcirelais.php
	modified:   Model/Base/AddressIcirelaisQuery.php
	new file:   Model/Base/IcirelaisFreeshipping.php
	new file:   Model/Base/IcirelaisFreeshippingQuery.php
	modified:   Model/Base/OrderAddressIcirelais.php
	modified:   Model/Base/OrderAddressIcirelaisQuery.php
	new file:   Model/IcirelaisFreeshipping.php
	new file:   Model/IcirelaisFreeshippingQuery.php
	modified:   Model/Map/AddressIcirelaisTableMap.php
	new file:   Model/Map/IcirelaisFreeshippingTableMap.php
	modified:   Model/Map/OrderAddressIcirelaisTableMap.php