Add continuous integration tool cqfd. This tool uses a docker
environment to compile a project within a specific OS and given
specific dependencies.
Commit used from Github (https://github.com/savoirfairelinux/cqfd

): 95847693

Change-Id: I3198389cc65246a2ce2636962da41980c79e2edf
Reviewed-by: Romain Bertozzi <romain.bertozzi@savoirfairelinux.com>