Add cite certification to about page (#272)

Author: petersmythe

about/index.html

@@ -8,6 +8,15 @@
     padding-bottom: 20px;
 }
 </style>
+
+<div style="text-align: center; margin: 20px 0;">
+  <iframe src="https://portal.ogc.org/public_ogc/compliance/srv_ogc_compliance_badge2.php?id=102&pid=1846" 
+          width="250"
+          frameborder="0"
+          style="float: right; margin: 0 0 10px 15px; border: none; height: auto; min-height: 1500px">
+  </iframe>
+</div>
+
 <h1>What is GeoServer?</h1>
 <p class="lead">
     GeoServer is a Java-based server that allows users to view and edit geospatial data. Using open standards set forth by the <a href="http://www.opengeospatial.org/">Open Geospatial Consortium (OGC)</a>, GeoServer allows for great flexibility in map creation and data sharing.