cleanup images and image paths

Author: ShMcK

_includes/modal.html

@@ -5,6 +5,6 @@
   <div class="modal-content">
 		<h3>{{include.title}}</h3>
     <img alt="{{include.title}}" height="450px"
-			src="images/{{include.image}}" />
+			src="images/demos/{{include.image}}" />
   </div>
 </div>