[gnome-software] (17 commits) Non-fast-forward update to branch wip/rancell/ubuntu-3-20-rebase

[Robert Ancell <rancell src gnome org>]

The branch 'wip/rancell/ubuntu-3-20-rebase' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  75fef1a... Show a notification if any live-updatable apps needs restar
  5f5e58a... Switch to using the ORDS server hosted by GNOME
  2be1aa7... Support snap:// URL handling by backporting URL handling im
  f2ff9b2... Use dpkg-deb info to create a GsApp when double clicking on
  d69caf4... Add an APT plugin
  eaa3c83... Add a Snap plugin
  60f7997... Remove nonfree tag on search results

Commits added to the branch:

  d6430e1... Guard against self-setting origin
  f9962a6... trivial: Add provenance and is_free in gs_app_to_string
  118e26e... Allow free-but-unspecified SPDX tokens
  a79c890... trivial: Fix the @LicenseRef-free string check
  4c44046... Put the string back as it was, to not change it before rele
  6a7ac1a... Show a notification if any live-updatable apps needs restar
  0fee49a... Switch to using the ORDS server hosted by GNOME
  67fc281... trivial: Factor out gs_utils_get_content_type()
  272ec0f... Support snap:// URL handling by backporting URL handling im
  8b694db... Use dpkg-deb info to create a GsApp when double clicking on
  d5c2004... Remove dpkg from list of conflicts for packagekit-refresh
  afdc390... Add an APT plugin
  7ffac48... Add a Snap plugin
  ed52f6f... Remove nonfree tag on search results
  706ca75... Allow logging into Ubuntu One for reviews
  54390f6... Do not use the header bar on Unity
  8e2782b... Fix launching various KDE4 applications