Improved and simplified coupon form management
Removed no longer useful tests
Fixed coupon input field name
Checked coupon type before trying to get the service.
PHP-CS fixer
Added "js" parameter to intl function for a safe usage in JS string,
Changed "return_to" into "previous"
replaced ucfirst by underscoreToCamelcase for calculating method name
Fix typo order_tab instead of oder_tab smarty variable
	modifié:         templates/backOffice/default/order-edit.html
Merge pull request #455 from lovenunu/master

Fix typo order_tab instead of oder_tab smarty variable
Add refresh command
Register refresh command to Thelia core
Add refresh command tests
Update test to consider only standards modules
Code review following pull request comments
Merge pull request #457 from bilhackmac/RefreshCommand

Refresh command
Fixed InvalidArgumentException: No module found for code 'default'
Changed {navigate to="return_to"} to {navigate to="previous"}
Added js=1 parameter toi {intl} calls used in javascript strings
Fixed typo.