[devtools] don't hide warnings and errors during tests The markdown module in jessie turns all warnings into logging calls, so this allows me to still see deprecation warnings when running tests.

etc/init.d
etc/cubicweb.d
etc/bash_completion.d
usr/bin
usr/share/doc/cubicweb-ctl
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances