configitems: drop the deprecated alias for commands.update.check
experimental.updatecheck was deprecated and should have been removed once 4.4
was released. Let's drop it now.
Differential Revision: https://phab.mercurial-scm.org/D3679
graft: correct documentation about options can be reapplied
Now options --user and --date can be reapplied after we hit a conflict.
Differential Revision: https://phab.mercurial-scm.org/D3678
cmdutil: use internal separators when building the terse list
Status uses internal separators, so this is more correct. See
c974320d20b9 and
362096cfdb1f. A utility method is still needed, so that the paths starting with
'/' aren't created when `self.path` is empty.