Document CAS Logout options (and support) in the readme

[jtgasper3]

This is definitely a need.

RE:

• LOGOUT #19
• Support Single Logout #20
• Single Logout: terminate session on CAS #21

[mapgrady]

You could address this by adding into the IdP's views/logout.vm a "hard-coded iFrame" (or 1 pixel/transparent image?) that redirects to the CAS Logout endpoint. But if it is then propagating on the CAS side, and that is itself using a similar technique, that could get quite complex.

…

On Jan 31, 2017, at 3:52 PM, John Gasper ***@***.***> wrote: This is definitely a need. RE: #19 <#19> #20 <#20> #21 <#21> — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#22>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AA3QiDUCtuLUfhpBE08ylp_1mFaEY5AAks5rX605gaJpZM4LzOHT>. This email has been scanned for spam and viruses by Proofpoint Essentials. Click here <https://us2.proofpointessentials.com/index01.php?mod_id=11&mod_option=logitem&mail_id=1485899601-5-6QMqn1KByF&r_address=mgrady%40unicon.net&report=1> to report this email as spam.

-- Michael A. Grady IAM Architect, Unicon, Inc.