[Mageia-dev] Freeze push: mercurial

[philippe makowski]

Pls kindly push mercurial, from 2.5 to 2.5.1

This is a non-scheduled bugfix release.

    hgk: support the old way of getting the current Ttk theme (issue3808)

    hgweb.cgi: fix internal WSGI emulation (issue3804)

    hgweb: make 'summary' work with hidden changesets (issue3810)

    incoming: fix incoming when a local head is remotely filtered (issue3805)
    largefiles: don't crash when trying to find default dest for url
without path

    rebase: derive node from target rev (issue3802)