Bug 851591: Add a main-end hook into global/footer.html.tmpl to be able to…

extensions/Example/template/en/default/hook/global/footer-end.html.tmpl

+[%# This Source Code Form is subject to the terms of the Mozilla Public
+  # License, v. 2.0. If a copy of the MPL was not distributed with this
+  # file, You can obtain one at http://mozilla.org/MPL/2.0/.
+  #
+  # This Source Code Form is "Incompatible With Secondary Licenses", as
+  # defined by the Mozilla Public License, v. 2.0.
+  #%]
+
+[% USE date %]
+
+<p align="center">
+  <em>[% component.callers.first FILTER html %]</em> processed
+  on [% date.format(date.now, '%b %d, %Y at %H:%M:%S') FILTER html %].
+  <br>
+  (provided by the Example extension).
+</p>

template/en/default/global/footer.html.tmpl

@@ -11,6 +11,7 @@
   # global/useful-links.html.tmpl.
   #%]
 
+  [% Hook.process('main-end') %]
 </div>
 
 [%# Migration note: below this point, this file corresponds to the old Param