Sylvie Ye authored Jul 18, 2018 and Romain Bignon committed Jul 29, 2018

On transfer validation page, get reason with cut 'Motif : ' and skip html comment.
Get reason to check label error with 'transfer_check_label' instead of assert without message.

remove unused parameter on handle response:
- amount
- reason
- exec_date

Closes: 14399@sibi 8735@sibi 4979@sibi