created common nav bar in footer, changed send feedback link

src/site/docs/tutorials/fetchdata/index.markdown

 ---
 layout: default
 title: "Target 9: Fetch Data Dynamically"
 description: "Use HttpRequest to fetch data from a file or a server."
 has-permalinks: true
 tutorial:
   id: fetchdata
+next: forms
+next-title: "Get Input from a Form"
+prev: custom-elements
+prev-title: "Define a Custom DOM Tag"
 ---
 
 {% capture whats_the_point %}
 
 * Data on the web is often formatted in JSON.
 * JSON is text based and human readable.
 * The dart:json library provides support for JSON.
 * Use HttpRequest to dynamically load data.
 
 {% endcapture %}
@@ skipping 436 matching lines @@
 ![Parse a JSON formatted list of strings](images/json-parse.png)
 
 ##Further resources
 
 Check out Chris Buckett's article,
 <a href="/articles/json-web-service/"
    target="_blank">Using Dart with JSON Web Services</a>,
 for more information and an example with source code for both
 client and server programs.
 
-<hr>
-
-<div class="row">
-  <div class="span3">
-  <a href="/docs/tutorials/custom-elements/"><i class="icon-chevron-left"> </i> Define a Custom DOM Tag</a>
-  </div>
-  <div class="span3">
-<a href="http://code.google.com/p/dart/issues/entry?template=Tutorial%20feedback"
- target="_blank">
-<i class="icon-comment"> </i>
-Send feedback
-</a>
-  </div>
-  <div class="span3">
-  <a href="/docs/tutorials/forms/" class="pull-right">Get Input from a Form <i class="icon-chevron-right"> </i> </a>
-  </div>
-</div>
-
 {% endcapture %}
 
 {% include tutorial.html %}