[epiphany] (6 commits) Non-fast-forward update to branch mcatanzaro/#1092

[Michael Catanzaro <mcatanzaro src gnome org>]

The branch 'mcatanzaro/#1092' 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:

  8aee16b... session: improve robustness when parsing session

Commits added to the branch:

  4544ae7... Update app icon in user help (*)
  cba76bc... Disallow top-level navigation to data:// URLs (*)
  86ef2c0... Update Turkish translation (*)
  2180a4f... ephy-shell: Don't interpret null arguments as empty string  (*)
  2cf09bd... ephy-shell: Don't open new tab on startup if there are down (*)
  760f817... session: improve robustness when parsing session

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