cubicweb-mercurial-server #2886282 Some messages should be translated (at least) into french [validation pending]

like "public_key", ...

prioritynormal
typebug
done in0.2.2
load0.100
load left0.000
closed by#105fd2abdd9d i18n (closes #2886282)
patchi18n (closes #2886282) [applied]