Add openhub.net script

Author: mokun

index.html

@@ -611,6 +611,7 @@ <h2>Comment</h2>
 			</div> <!--end of footer -->
 
 		<!-- Scripts -->
+			<script type='text/javascript' src='https://www.openhub.net/p/mars-sim-git/widgets/project_factoids_stats?format=js'></script>
 			<script src="assets/js/jquery.min.js"></script>
 			<script src="assets/js/jquery.scrolly.min.js"></script>
 			<script src="assets/js/jquery.scrollzer.min.js"></script>