Update references to auth_token middleware.

The auth_token middleware has been in keystonemiddleware for a
while now.

Change-Id: I7a355f0af84334430285e8fd887ae014f1d1f21e
Configuring Keystone edits

Suggested content for the Configuring Keystone doc.

DocImpact

Change-Id: I0cc7475bbdb1d44d89828e89cf5145177575b214
Remove string from URL in list_revoke_events()

The extra string is causing the self URL to be
"/OS-REVOKE/events/events" instead of just
"OS-REVOKE/events".

Change-Id: I3b4e53ffabee5156b2b82b5831cfe23e98527a3a
Closes-Bug: 1384457
Enable cloud_admin to list projects in all domains

This patch enables the cloud_admin to get the list of projects
in all domains by default(in 'policy.v3cloudsample.json').

Change-Id: I117c0a78ec0f4cb943c0a7c3cc7aeb271e9203fe
Closes-Bug: 1392155
Merge "Remove string from URL in list_revoke_events()"
Merge "Update references to auth_token middleware."
Merge "Configuring Keystone edits"