[balsa] (11 commits) Non-fast-forward update to branch application-notification

[Peter Bloomfield <peterb src gnome org>]

The branch 'application-notification' 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:

  a958f09... Use GApplication features
  2049c5a... Use GtkApplication better
  6abb295... Plug leak
  99c8820... Migrate new mail notification to GNotification
  86acbe2... main-window: Use GtkWindow API for the application
  b29baf0... Rename balsa.desktop to org.desktop.Balsa.desktop
  4f26a43... main-window: Use GtkWindow API for the application
  cfd88ee... mailbox-imap: Object-ref handle to keep it alive
  5a3fef9... balsa-icons: Return NULL if icon-table is NULL
  9b70dfb... Migrate from libnotify to GNotification

Commits added to the branch:

  d51932d... Updated Spanish translation (*)
  9cb36bd... Use GApplication features
  4244b41... Use GtkApplication better
  e6afd0d... Plug leak
  5858ab4... Migrate new mail notification to GNotification
  01aaa16... main-window: Use GtkWindow API for the application
  f678a53... Rename balsa.desktop to org.desktop.Balsa.desktop
  9b844a6... main-window: Use GtkWindow API for the application
  b329e38... mailbox-imap: Object-ref handle to keep it alive
  836d956... balsa-icons: Return NULL if icon-table is NULL
  20389ac... Migrate from libnotify to GNotification

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