Update sidebar links, and have them open in a new tab.

doc/_templates/sidebarintro.html

 <h3>Useful Links</h3>
 <ul>
-  <li><a href="http://flask.pocoo.org/">The Flask Website</a></li>
-  <li><a href="http://github.com/flask-admin/flask-admin">Flask-Admin @ github</a></li>
+  <li><a href="http://flask.pocoo.org/" target="_blank">Flask</a></li>
+  <li><a href="http://github.com/flask-admin/flask-admin" target="_blank">Flask-Admin @ github</a></li>
+  <li><a href="http://examples.flask-admin.org/" target="_blank">Flask-Admin Examples</a></li>
 </ul>
 
-<a href="http://github.com/flask-admin/flask-admin"><img style="position: fixed; top: 0; right: 0; border: 0;"
+<a href="http://github.com/flask-admin/flask-admin" target="_blank"><img style="position: fixed; top: 0; right: 0; border: 0;"
    src="//s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub" /></a>

doc/index.rst

@@ -108,7 +108,7 @@ easy it is to put your whole application behind HTTP Basic Auth.
 Unfortunately, there is no easy way of applying HTTP Basic Auth just to your admin
 interface.
 
-Rolling your own
+Rolling Your Own
 --------------------------------
 For a finer-grained solution, Flask-Admin lets you define access control rules
 on each of your admin view classes by simply overriding the `is_accessible` method.