[epiphany] (4 commits) Non-fast-forward update to branch wip/exalm/sync-close-button

[Marge Bot <marge-bot src gnome org>]

The branch 'wip/exalm/sync-close-button' 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:

  faf67b4... firefox-sync-dialog: Stop hardcoding decoration layout

Commits added to the branch:

  c2621f7... Stop using about:blank for new tabs (*)
  73c4cd4... embed: Use New Tab title for overview as well (*)
  bfbb5f7... Remove incorrect args for i18n.merge_file (*)
  a36d571... firefox-sync-dialog: Stop hardcoding decoration layout

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