Added lightgallery support

_includes/lightgallery.html

@@ -0,0 +1,8 @@
+    <script src="{{ site.url }}/js/plugins/jquery.mousewheel.min.js"></script>
+    <script src="{{ site.url }}/js/plugins/lightgallery-all.min.js"></script>
+
+	<script type="text/javascript">
+	    $(document).ready(function() {
+	        $(".lightgallery").lightGallery(); 
+	    });
+	</script>    

_layouts/default.html

@@ -21,6 +21,7 @@
     <meta http-equiv="cleartype" content="on">
 
     <link rel="stylesheet" href="{{ site.url }}/css/main.css">
+    <link type="text/css" rel="stylesheet" href="{{ site.url }}/css/lightgallery.min.css" /> 
     <!-- HTML5 Shiv and Media Query Support for IE -->
     <!--[if lt IE 9]>
       <script src="{{ site.url }}/js/vendor/html5shiv.min.js"></script>
@@ -41,6 +42,7 @@
 
     <script src="{{ site.url }}/js/vendor/jquery-1.9.1.min.js"></script>
     <script src="{{ site.url }}/js/main.js"></script>
+    {% include lightgallery.html %}
 
   </body>