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

[Michael Catanzaro <mcatanzaro src gnome org>]

The branch 'wip/exalm/spinner' 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:

  7d81383... page-row: Stop spinner when not visible
  911c4c0... floating-bar: Don't start spinner if it's not visible

Commits added to the branch:

  4d96c75... prefs: Fix already existing engine check (*)
  132270a... prefs: Fix setting the default search engine (*)
  cd24fad... page-row: Stop spinner when not visible
  7aa7cb5... floating-bar: Don't start spinner if it's not visible

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