Use correct project links in footer

Downstream projects are free to override these with links to specific
bug trackers, but upstream should not have empty links here.

pdc/templates/base.html

@@ -14,9 +14,9 @@
 {% block footer %}
   <div class="container">
     <p>
-        <a href="#">Report an Issue</a>
+        <a href="https://github.com/release-engineering/product-definition-center/issues">Report an Issue</a>
         <span> | </span>
-        <a href="#">Source code location</a> (Version: {% pdc_version %})
+        <a href="https://github.com/release-engineering/product-definition-center">View on GitHub</a> (Version: {% pdc_version %})
     </p>
   </div><!-- /.container -->
 {% endblock %}