Add privacy notice to footer.html in beta site.

Other changes:

* Removed duplicate content from beta site.
* Updated links to point to 2.15 release.

Change-Id: I81d790050c6ebb142c1cac3d28cf1ad775899ac9
diff --git a/jekyll-source/_config.yml b/jekyll-source/_config.yml
index 22bc15d..5f29e29 100644
--- a/jekyll-source/_config.yml
+++ b/jekyll-source/_config.yml
@@ -33,6 +33,13 @@
 exclude:
   - .idea/
   - .gitignore
+  - Gemfile
+  - Gemfile.lock
+  - node_modules
+  - vendor/bundle/
+  - vendor/cache/
+  - vendor/gems/
+  - vendor/ruby/
 # these are the files and directories that jekyll will exclude from the build
 
 feedback_subject_line: Gerrit Code Review Feedback
diff --git a/jekyll-source/_includes/footer.html b/jekyll-source/_includes/footer.html
index 1682c96..0e1f0eb 100755
--- a/jekyll-source/_includes/footer.html
+++ b/jekyll-source/_includes/footer.html
@@ -4,6 +4,7 @@
                &copy;{{ site.time | date: "%Y"  }} {{site.company_name}}. All rights reserved. <br />
 {% if page.last_updated %}<span>Page last updated:</span> {{page.last_updated}}<br/>{% endif %} Site last generated: {{ site.time | date: "%b %-d, %Y"  }} <br />
 <p><img src="{{ "images/company_logo.png" }}" alt="Company logo"/></p>
+<p><a href="https://www.google.com/policies/privacy/">Privacy Notice</a></p>
                 </div>
             </div>
 </footer>
diff --git a/jekyll-source/index.md b/jekyll-source/index.md
index 13857c2..fa130a0 100644
--- a/jekyll-source/index.md
+++ b/jekyll-source/index.md
@@ -66,9 +66,9 @@
                 <div class="panel-body">
                     <h4>Download</h4>
                     <p>Our latest release is:<br>
-                    <b><a href="https://www.gerritcodereview.com/releases/2.14.md">2.14.5.1</a></b>
+                    <b><a href="https://www.gerritcodereview.com/releases/2.15.md">2.15.1</a></b>
                     </p>
-                    <a href="https://gerrit-releases.storage.googleapis.com/gerrit-2.14.5.1.war" class="btn btn-primary">Download</a>
+                    <a href="https://gerrit-releases.storage.googleapis.com/gerrit-2.15.1.war" class="btn btn-primary">Download</a>
                 </div>
             </div>
         </div>
@@ -152,81 +152,3 @@
 </tr>
 </table>
 
-## Discuss code
-Read old and new versions of files with syntax highlighting and colored
-differences. Discuss specific sections with others to make the right changes.
-
-<img src="images/sbs.png">
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-<table>
-<tr>
- <td>
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- </td>
- <td>
- <h4>Control access</h4>
- </td>
- <td>
- <h4>Update branches</h4>
- </td>
-</tr>
-<tr>
- <td>
- <img src="images/project-list.png">
- </td>
- <td>
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- </td>
- <td>
- <img src="images/branches.png">
- </td>
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-</table>
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-<a href="https://twitter.com/gerritreview">Twitter</a>
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