Updated from global requirements

Change-Id: I4affa288bb8564f09a5442cbcc2d2152ad17c35e
Rename _handle_saml2_tokens() method

Since federation is going to support other protocols than saml2,
renaming the _handle_saml2_tokens() method to _handle_federation_tokens()

Change-Id: I9682c41c3982838dcb280c4a093d1123bc740090
Closes-Bug: 1389583
Enable hacking rule H104 File contains nothing but comments

Change-Id: I49f774b6f2ef0bc0ae4822459f0ea5bf7896a9d4
Imported Translations from Transifex

For more information about this automatic import see:
https://wiki.openstack.org/wiki/Translations/Infrastructure

Change-Id: I6af34dc2ef4902e2e46e364760c3134ba4f1a638
Merge "Updated from global requirements"
Merge "Enable hacking rule H104 File contains nothing but comments"
Imported Translations from Transifex

For more information about this automatic import see:
https://wiki.openstack.org/wiki/Translations/Infrastructure

Change-Id: I3e8fa01e556229511cd4dadddd8bb09330daf676
Fix misspelling at configuration.rst file

Change-Id: Ida1211448a1917004d25e89cc2a4f45a30aca91b
Closes-Bug: 1390484