[balsa] (4 commits) Non-fast-forward update to branch remember-mailbox-positions

[Peter Bloomfield <peterb src gnome org>]

The branch 'remember-mailbox-positions' 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:

  9051af2... Preserve tab order of open mailboxes
  c3350f0... mailbox: Indentation and type fixes
  615ec8d... Go back to weak ref

Commits added to the branch:

  7546541... Update Polish translation (*)
  f3206b9... Preserve tab order of open mailboxes
  24fa072... mailbox: Indentation and type fixes
  d1ffe80... Go back to weak ref

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