[balsa] (3 commits) Non-fast-forward update to branch 58-filter-on-reception

[Peter Bloomfield <peterb src gnome org>]

The branch '58-filter-on-reception' 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:

  669ec95... Improve message filtering on reception
  283fef8... Various: Improve flag-only filtering

Commits added to the branch:

  f931575... mime: No trailing comma in a URL (*)
  caa72be... Improve message filtering on reception
  307dca7... Various: Improve flag-only filtering

(*) This commit already existed in another branch; no separate mail sent