add in some more examples (will work em in later), removed fleetio per their request, and added gather content to replace it

docs/index.html

@@ -143,8 +143,8 @@
           </a>
         </li>
         <li class="span3">
-          <a class="thumbnail" href="http://www.fleetio.com/" target="_blank">
+          <a class="thumbnail" href="http://www.gathercontent.com/" target="_blank">
-            <img src="assets/img/example-sites/fleetio.png" alt="Fleetio">
+            <img src="assets/img/example-sites/gathercontent.png" alt="Gather Content">
           </a>
         </li>
         <li class="span3">

docs/templates/pages/index.mustache

@@ -72,8 +72,8 @@
           </a>
         </li>
         <li class="span3">
-          <a class="thumbnail" href="http://www.fleetio.com/" target="_blank">
+          <a class="thumbnail" href="http://www.gathercontent.com/" target="_blank">
-            <img src="assets/img/example-sites/fleetio.png" alt="Fleetio">
+            <img src="assets/img/example-sites/gathercontent.png" alt="Gather Content">
           </a>
         </li>
         <li class="span3">