Hide the SMS phone number in lists and forms, disable the buttons to
change it if the property is read-only, add an option to define if the
user is asked or not for SMS phone number at login

OO-1408: improve performance with native SQL queries, add all queries needed for authors to see their courses and the groups linked to their courses

OO-1000: fix an issue with the edition of coach role of course, fix some issues with the views of the coaching tool