[epiphany] Created tag 3.21.4

[Iulian Radu <iulianradu src gnome org>]

The unsigned tag '3.21.4' was created.

Tagger: Iulian Radu <iulian radu67 gmail com>
Date: Sun Jul 17 16:42:32 2016 +0300

    Epiphany 3.21.4

Changes since the last tag '3.21.3':

Carlos Garcia Campos (1):
      web-extension: Fix the build with WebKitGTK+ 2.13.2

Carlos Garnacho (1):
      embed: Check for NULL SoupURI when trying to load invalid url

Chao-Hsiung Liao (1):
      Updated Chinese (Taiwan) translation

Fabio Tomat (2):
      Updated Friulian translation
      Updated Friulian translation

Gabriel Ivascu (1):
      Add keyboard shortcuts dialog

Iulian Radu (1):
      Prepare 3.21.4

Kjartan Maraas (2):
      Updated Norwegian bokmål translation.
      Updated Norwegian bokmål translation.

Michael Catanzaro (5):
      build: Fix misleading changelog generation code
      Limit size of ChangeLog file
      build: Alphabetize RESOURCE_FILES
      Update POTFILES.in
      Generate ChangeLog in builddir

Piotr Drąg (2):
      Updated Polish translation
      Add Language headers to po files

Yosef Or Boczko (2):
      Updated Hebrew translation
      Updated Hebrew translation