Add an individual html title to various pages

templates/content-series.tpl.html

@@ -1,6 +1,7 @@
 <!--% PROCESS 'shared-utils.tpl.html' %-->
 <!--% PROCESS "queries-series.tpl.html" %-->
 <!--% USE DBI(constants.driver) %-->
+<!--% page_title = "HPR ~ Show series" %-->
 <h1 class="title">In-Depth Series</h1>
 <div class="lane stack">
 <!--% FOREACH series IN DBI.query(query_episodes) %-->