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

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/center' 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:

  73dc356... Revert "Keep url entry centered"
  9b07d33... action-bar-start: Add empty space to balance the downloads 

Commits added to the branch:

  70465ab... header-bar: Use restore button in fullscreen (*)
  993cf65... action-bar-start: Hide new tab button in fullscreen (*)
  18a0f1e... Revert "Keep url entry centered"
  b04ed2c... action-bar-start: Add empty space to balance the downloads 

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