Merge branch 'dev'

CHANGELOG.md

README.md

classes/task/sync_task_iena_message.php

db/install.xml

db/tasks.php

entity/course_format_iena_cron_action.php

entity/course_format_iena_section_ressources.php

format.php

lang/en/format_iena.php

lang/fr/format_iena.php

lib.php

param_section.php

renderer.php

send_message_post.php

version.php

view/view_course_header.php

view/view_param_section.php

view/view_send_message.php

view/view_suivi_unit3.php