Remove a Docker image, and update the Boost demo about third party warnings along with the associated Docker image
requested to merge sgilles/gettingstartedwithmoderncpp:116_120_docker_images_and_boost_demo into master
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab