Merge branch 'rh/remote-hg-bzr-updates' (early part)

Unbreaks a recent breakage due to use of unquote-c-style. This may need to be cherry-picked down to 1.8.4.x series. * 'rh/remote-hg-bzr-updates' (early part): remote-hg: don't decode UTF-8 paths into Unicode objects