Merge branch 'develop' of labs.maarch.org:maarch/MaarchCourrier into develop

...maarch_entreprise/admin/update_control/update_control.php

apps/maarch_entreprise/lang/en.php

apps/maarch_entreprise/lang/fr.php

apps/maarch_entreprise/xml/services.xml

install/class/Class_Install.php

install/scripts/deployVersion.php

install/scripts/language_update.php

install/view/update_backup_view.php

install/view/update_deploy_view.php

install/view/update_download_view.php

install/view/update_end_view.php

install/view/update_language_view.php

install/view/update_welcome_view.php

sql/index_creation.sql