[gnome-software] (10 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:

  10016f9... Use AS_APP_QUIRK_NOT_LAUNCHABLE to control the Launch butto
  485e083... app folder dialog: Make the dialog work again
  1506386... trivial: Allow arbitrary variables to be read from /etc/os-
  d028cdd... Backport URL handling improvements from master
  1a7c72d... Allow logging into Ubuntu One for reviews
  11bd5a9... Add an APT plugin
  276cbb8... Add a Snap plugin
  42080b3... Use minimal limits for review content

Commits added to the branch:

  00b3161... Override button theming to show progress meter
  3ced197... Use AS_APP_QUIRK_NOT_LAUNCHABLE to control the Launch butto
  7bbb90b... Fix a couple of CSS errors
  26ad3bb... app folder dialog: Make the dialog work again
  8f34188... trivial: Allow arbitrary variables to be read from /etc/os-
  dc0e1c5... Backport URL handling improvements from master
  4ae59c3... Allow logging into Ubuntu One for reviews
  bb99196... Add an APT plugin
  cee963f... Add a Snap plugin
  9a28ab4... Use minimal limits for review content