[epiphany] (8 commits) Non-fast-forward update to branch wip/exalm/tabs

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/tabs' 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:

  4c82c1e... Add EphyFullscreenBox
  cfee657... Merge TabHeaderBar into PagesView
  99dcdc9... window: Use HdyApplicationWindow
  3464622... Port to HdyTabView/HdyTabBar
  18f4b45... css: Regenerate from scss
  6f05f5f... Bring back popover
  8bc06a3... Use a temporary libhandy branch
  d1c9406... bookmarks-properties-grid: Center-align the close button
  8d3687d... css: Tweak close buttons
  12ba1cc... css: Regenerate from scss

Commits added to the branch:

  25ffefe... Add EphyFullscreenBox (*)
  eeac194... Merge TabHeaderBar into PagesView (*)
  a9baf3b... window: Use HdyApplicationWindow (*)
  b0a49a5... css: Regenerate from scss (*)
  6bfd3e2... Port to HdyTabView/HdyTabBar
  da45834... Bring back popover
  7c28a15... Use a temporary libhandy branch
  3ba6e04... css: Regenerate from scss

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