Twigified 'metarefresh' module and added translation scaffolding.

modules/metarefresh/locales/en/LC_MESSAGES/metarefresh.po

+
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: SimpleSAMLphp 1.15\n"
+"Report-Msgid-Bugs-To: simplesamlphp-translation@googlegroups.com\n"
+"POT-Creation-Date: 2017-12-06 09:23+0200\n"
+"PO-Revision-Date: 2017-12-06 12:14+0200\n"
+"Last-Translator: \n"
+"Language: en\n"
+"Language-Team: \n"
+"Plural-Forms: nplurals=2; plural=(n != 1)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.3.4\n"
+
+msgid "metarefresh_header"
+msgstr "Metarefresh"
+
+msgid "metarefresh_no_output"
+msgstr "No output from metarefresh."
+
+msgid "metarefresh_fetched"
+msgstr "Fetched metadata"

modules/metarefresh/templates/fetch.twig

+{% set pagetitle = "metarefresh_header" | trans %}
+
+{% extends "base.twig" %}
+
+{% block content %}
+
+{% if logentries %}
+        <h1>{{ "metarefresh_fetched" | trans }}</h1>
+        <ul>
+            {% for logentry in logentries %}
+            <li>{{ logentry }}</li>
+            {% endfor %}
+        </ul>
+{% else %}
+{{ "metarefresh_no_output" | trans }}
+{% endif %}
+
+{% endblock content %}