Revert "Removes site subtitle from footer"

This reverts commit e36247147eff8d0efe4232ad8ff53c4e66f6cc4b.

static/css/style.css

@@ -20,6 +20,11 @@ ul.footer-content li.elegant-license {
     float:left;
 }
 
+div#site-subtitle {
+    text-align:center;
+    padding-top:10px;
+}
+
 /* comment */
 
 #comment-message {

templates/footer.html

@@ -5,6 +5,9 @@
         <li class="elegant-license">{{ ELEGANT_LICENSE }}</li>
         {% endif %}
         <li class="elegant-power">Powered by <a href="http://getpelican.com/" title="Pelican Home Page">Pelican</a> and <a href="https://github.com/talha131/pelican-elegant" title="Elegant theme Home Page">Elegant theme</a> by <a href="http://oncrashreboot.com" title="Talha Mansoor Home Page">Talha Mansoor</a></li>
+        {% if SITESUBTITLE %}
+        <div id="site-subtitle">{{ SITENAME }} - {{ SITESUBTITLE }}</div>
+        {% endif %}
     </ul>
 </div>
 </footer>