added link to sample file

Author: adamwulf

samples/index.html

@@ -25,3 +25,4 @@ <h3>About</h3>
 <p><a href='issue_51.html'>Issues 51, 24</a> - missing content when columnizer is called from script in body below content.</p>
 <p><a href='issue_45.html'>Issue 45</a> - don't re-indent the first line of a split paragraph.</p>
 <p><a href='issue_49.html'>Issue 49</a> - make sure columnizer doesn't duplicate text nodes.</p>
+<p><a href='issue_30.html'>Issue 30</a> - fix infinite loop with double spaces in text.</p>