[balsa] (18 commits) Non-fast-forward update to branch stop-using-gtkbox-child-properties

[Peter Bloomfield <peterb src gnome org>]

The branch 'stop-using-gtkbox-child-properties' 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:

  3641020... Various: Stop using GtkBox child properties
  97898f6... Various: Stop using GtkBox child properties
  767ab00... Various: Stop using GtkBox child properties
  22ff39f... source-viewer: Use container-add for a scrolled w
  60f6e4f... x509-cert-widget: Use container-add for scrolled w
  5396cda... Various: Stop using GtkBox child properties
  e34ef47... Various: Stop using GtkBox child properties
  889a736... Various: Stop using GtkBox child properties
  e91a8f3... Various: Stop using GtkBox child properties
  1d02ec9... Various: Stop using GtkBox child properties
  2a40c8e... Various: Stop using GtkBox child properties
  2f97119... Various: Stop using GtkBox child properties
  34d054c... Various: Stop using GtkBox child properties
  b8269cd... Various: Stop using GtkBox child properties

Commits added to the branch:

  a53447f... balsa-message: Pop up the parts menu at the button (*)
  48e476e... mailbox-local: Simplify finding duplicate messages (*)
  783fc4c... main-window: Use parent/child naming for GtkPaneds (*)
  623fa68... Build files: Drop obsolete deprecation guards (*)
  eec0863... Various: Stop using GtkBox child properties
  b71d97e... Various: Stop using GtkBox child properties
  a01a62d... Various: Stop using GtkBox child properties
  2426df8... source-viewer: Use container-add for a scrolled w
  7278dc0... x509-cert-widget: Use container-add for scrolled w
  6276e73... Various: Stop using GtkBox child properties
  905b819... Various: Stop using GtkBox child properties
  b65dabc... Various: Stop using GtkBox child properties
  e66aecf... Various: Stop using GtkBox child properties
  59c17d2... Various: Stop using GtkBox child properties
  b1768cb... Various: Stop using GtkBox child properties
  b9c2815... Various: Stop using GtkBox child properties
  3ed1185... Various: Stop using GtkBox child properties
  c439cda... Various: Stop using GtkBox child properties

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