Adrien Di Mascio <Adrien.DiMascio@logilab.fr> [Wed, 16 Nov 2016 14:38:11 +0100] rev 11822
[devctl] make i18n custom message extractors work with legacy layouts
distname needs to be "cubicweb_<cubename>", even with legacy layouts
for pkg.load_entry_point() to work
closes #16272177