Add release files for 4.1.4 and 4.0.4

R1/source/releases/rel4.0.4.rst

+.. _rel4.0.4:
+
+Varnish Cache 4.0.4
+===================
+
+* 2016-11-30 /Pål Hermunn
+
+By Operating System 
+-------------------
+
+* :ref:`install_ubuntu`
+* :ref:`install_debian`
+* :ref:`install_redhat`
+* :ref:`install_freebsd`
+
+`Source download <https://repo.varnish-cache.org/source/varnish-4.0.4.tar.gz>`_
+
+`Change log <https://github.com/varnishcache/varnish-cache/blob/4.0/doc/changes.rst>`_
+
+Varnish Cache 4.0.4 is the last maintenance release of the 4.0 branch,
+with severaly bug fixes. See the change log for a complete list of
+changes.
+
+All users of 4.0.x are recommended to upgrade to this version, and
+then to start working on an upgrade to 4.1 or 5.0.

R1/source/releases/rel4.1.4.rst

+.. _rel4.1.4:
+
+Varnish Cache 4.1.4
+===================
+
+* 2016-12-01 /Pål Hermunn
+
+`Source download <https://repo.varnish-cache.org/source/varnish-4.1.4.tar.gz>`_
+
+`Change log <https://github.com/varnishcache/varnish-cache/blob/4.1/doc/changes.rst>`_
+
+Varnish Cache 4.1.4 is a maintenance release of the 4.1 branch with
+severaly bug fixes. See the change log for a complete list of changes.
+
+All users on 4.1 and 4.0 are recommended to upgrade to this version.
+
+
+Operating System Specific Installation Guides
+--------------------------------------------
+
+* :ref:`install_ubuntu`
+* :ref:`install_debian`
+* :ref:`install_redhat`
+* :ref:`install_freebsd`