[balsa] (6 commits) Non-fast-forward update to branch popover

[Peter Bloomfield <peterb src gnome org>]

The branch 'popover' 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:

  aa25520... pref-manager: Use GtkPopover for "Add" options
  3721b2f... vfs: Port to GMenu
  9286421... libbalsa-vfs: New API to use with GMenu
  8569bc9... balsa-mblist and friends: Start porting to GMenu

Commits added to the branch:

  4140e20... Build files: Restore the version to 2.6.0 (*)
  a6d1416... Release balsa-2.6.0 (*)
  58858d0... pref-manager: Use GtkPopover for "Add" options
  0130b9b... vfs: Port to GMenu
  0628608... libbalsa-vfs: New API to use with GMenu
  60d056a... balsa-mblist and friends: Start porting to GMenu

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