[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:

  a4b5e70... pref-manager: Use GtkPopover for "Add" options
  9f17ab4... vfs: Port to GMenu
  d5a8579... libbalsa-vfs: New API to use with GMenu
  b308838... various: Port to new LibBalsaVfs API

Commits added to the branch:

  c69ca3e... mime-widget-text: GdkEvent is not a GObject (*)
  bfe6e1b... pref-manager: Use GtkPopover for "Add" options
  1e40968... vfs: Port to GMenu
  9847bb9... libbalsa-vfs: New API to use with GMenu
  03c99a9... various: Port to new LibBalsaVfs API
  c7ca8c7... Fix more bugs

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