Add youtube movie

Author: master-q

index.html

@@ -64,12 +64,12 @@ <h3>
 
 <h3>
 <a name="whatis" class="anchor" href="#demovideo"><span class="octicon octicon-link"></span></a>Demo video</h3>
-<p>T.B.D.</p>
+<iframe width="420" height="315" src="//www.youtube.com/embed/5uPue0Jo1nc" frameborder="0" allowfullscreen></iframe>
 
 <h3>
 <a name="lang" class="anchor" href="#lang"><span class="octicon octicon-link"></span></a>What language will challenge?</h3>
 
-<h4><a href="http://ajhc.metasepi.org/">Ajhc</a> (Haskell)</h4>
+<h4><a href="http://repetae.net/computer/jhc/">jhc</a> (Haskell)</h4>
 <h4><a href="http://www.ats-lang.org/">ATS</a> (ML)</h4>
 <h4><a href="http://www.rust-lang.org/">Rust</a> (similar to ML and C)</h4>
 
@@ -138,4 +138,4 @@ <h3>
           </script>
 
   </body>
-</html>
+</html>