cameronbwhite/Flask-CAS — pull request #12 by xcompass (2014-09-11 18:56:12+00:00)
Title: Add return URL after logout

The logout URL accepts a parameter (url or service) to redirect user
back after logging out from CAS server.
https://github.com/Jasig/cas/blob/master/cas-server-protocol/3.0/cas_protocol_3_0.md#231-parameters