Gallery link for #64

Author: scottgarner

_includes/header.html

@@ -16,7 +16,7 @@
         </div>
 
         <nav id = "pageNav">
-          <span><a href="/about/" class="aboutButton">About</a></span><span><a href="/guide/" class="guideButton">Guide</a></span><span><a href="http://forum.processing.org/two/categories/hello-processing" target="_blank" class="helpButton">Help</a></span><span><a href="http://code.org/learn" target="_blank" class="hodcButton">Hour of Code™</a></span>
+          <span><a href="/gallery/" class="galleryButton">Gallery</a></span><span><a href="/about/" class="aboutButton">About</a></span><span><a href="/guide/" class="guideButton">Guide</a></span><span><a href="http://forum.processing.org/two/categories/hello-processing" target="_blank" class="helpButton">Help</a></span><span><a href="http://code.org/learn" target="_blank" class="hodcButton">Hour of Code™</a></span>
         </nav>         
 
   </div>