[happybirthdaygnome-web] Make it the next 20 years, since it's the 20th anniversary

[Andreas Nilsson <andreasn src gnome org>]

commit de1ee1c94ea604f9168a05412a0d2458a878aef5
Author: Andreas Nilsson <anilsson redhat com>
Date:   Sat Jul 29 17:39:05 2017 +0100

    Make it the next 20 years, since it's the 20th anniversary

 index.html |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/index.html b/index.html
index dba232b..a2237e5 100644
--- a/index.html
+++ b/index.html
@@ -127,7 +127,7 @@
                                 </div>
                                 <div class="entry">
                                     <div class="title">
-                                        <h2>Here's to the next 15 years!</h2>
+                                        <h2>Here's to the next 20 years!</h2>
                                     </div>
                                     <div class="body">
                                         <p>The GNOME Project looks forward to many more years of 
development, with contributors old and new. We continue to be inspired by each other, and encourage you to <a 
href="http://www.gnome.org/get-involved/";>join us</a> in shaping the future of GNOME.</p>
@@ -264,13 +264,13 @@
         </div><!-- container_24 -->
     </div>
     <script src="https://code.jquery.com/jquery-2.1.4.min.js"; type="text/javascript">
-    </script> 
+    </script>
     <script src="https://static.gnome.org/js/deneb.min.js"; type="text/javascript">
-    </script> 
+    </script>
     <script src="./js/masonry.pkgd.min.js" type="text/javascript">
-    </script> 
+    </script>
     <script src="./js/ekko-lightbox.min.js" type="text/javascript">
-    </script> 
+    </script>
     <script type="text/javascript">
     // init Masonry
     var $grid = $('.grid').masonry({
@@ -281,7 +281,7 @@
     $grid.imagesLoaded().progress( function() {
      $grid.masonry('layout');
     });
-    </script> 
+    </script>
     <script type="text/javascript">
     $(document).on('click', '[data-toggle="lightbox"]', function(event) {
        event.preventDefault();