[epiphany] (7 commits) Non-fast-forward update to branch mcatanzaro/#590

[Michael Catanzaro <mcatanzaro src gnome org>]

The branch 'mcatanzaro/#590' 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:

  0021dca... web-view: Handle NULL URIs in ephy_web_view_set_address()

Commits added to the branch:

  1a00b21... flatpak: Add libhandy (*)
  ed4b901... build: Add libhandy-0.0 dependency (*)
  701b6aa... main: Init libhandy (*)
  4c2af23... Make margins around the title widget adaptive (*)
  b4dfb49... window: Make triggering the narrow mode less aggressive (*)
  4fc3fa8... prefs-dialog: Fix crash when locale is saved by older Epiph (*)
  786927e... web-view: Handle NULL URIs in ephy_web_view_set_address()

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