Added landing pages for new samples

src/site/samples/samples.css

-.group {
+body {
+  line-height: inherit;
 }
 
+.row-fluid [class*="span"] {
+  min-height: 26px;
+}
+
+
 .group-heading {
   text-align: left;
   font-size: 1.3em;
   font-weight: bold;
   margin: 15px 0;
 }
 
 .example {
   margin: 3px auto 7px auto;
   border-radius: 5px;
   border: 1px solid #f0f0f0;
   padding: 0px 5px;
   padding-top: 8px;
 }
 
 .link {
   text-align: left;
   display: inline-block;
   width: 48%;
   margin: 0;
   padding: 0;
 }