[epiphany] (6 commits) Non-fast-forward update to branch wip/exalm/container

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/container' 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:

  42ed69e... Don't leak gtk_container_get_children() lists
  cda731f... Stop using gtk_container_get_children() for GtkListBox and 
  3331eb4... search-engine-listbox: Don't subclass GtkListBox
  69756f9... general-page: Stop using GtkFileChooserButton
  38638aa... download: Stop using GtkFileChooserButton
  c1f4f25... Prefer GFile-based GtkFileChooser API

Commits added to the branch:

  08a9b95... Don't leak gtk_container_get_children() lists (*)
  7687876... Stop using gtk_container_get_children() for GtkListBox and 
  baf845a... search-engine-listbox: Don't subclass GtkListBox
  9daaba1... general-page: Stop using GtkFileChooserButton
  b49f709... download: Stop using GtkFileChooserButton
  9222488... Prefer GFile-based GtkFileChooser API

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