Andrew Austin 37bc58d9b1 Add mechanism for cookie-based sessions in endpoints.
In order to allow SAML integration, we need to persist sessions for
the Keystone public API. Rather than use a one-off resource, this
patch introduces a generic mechanism for adding cookie-based sessions
to any endpoint that uses the endpoint resource and uses that mechanism
to provide a session persistence option for the Keystone public API.

Change-Id: I7e1c9a4ddc8b849b487b863635b8c45fc935a751
2018-06-28 19:15:48 +00:00
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