Demos: added a link to the Online syllogism solver

demos/index.html

@@ -12,9 +12,14 @@
 <a href="http://www.grammaticalframework.org/demos/phrasebook/">Tourist
 Phrasebook</a>
 
+<p>
+<strong>NEW</strong>
+<a href="http://www.grammaticalframework.org:41297/syllogism/syllogism.html">Online syllogism solver</a>
+<!--
 <p>
 <strong>NEW</strong>
 <a href="TransQuiz/">Translation Quiz</a>
+-->
 
 <P>
 <A HREF="http://www.grammaticalframework.org:41296/minibar/minibar.html">Minibar