cubicweb-mercurial-server #2356400 filesystem encoding problem with mercurial 2.1 [rejected]

tests crash with mercurial 2.1 because we use unicode paths for files

prioritynormal
typebug
done in0.1.0
load0.000
load left0.000
closed by#1ac927e6958a [hooks] closes #2356400 - Fic calls to HG API for v>=2.1 which crash on unicode.