Add the reference to the Shibboleth doc

mfprimo · mfprimo · commit 4dfa98f69c55 · 2013-05-02T21:01:57.000+03:00
diff --git a/README b/README
@@ -7,3 +7,5 @@ x509 certificate.
 
 There is more information in this post: 
 http://support.onelogin.com/entries/268420-saml-toolkit-for-php
+
+To try the demo with a Shibboleth IdP, see thew SHIBBOLETH file inside the demo directory.
