Fixes for modules/saml

modules/saml/hooks/hook_metadata_hosted.php

modules/saml/lib/Auth/Process/AuthnContextClassRef.php

...es/saml/lib/Auth/Process/ExpectedAuthnContextClassRef.php

modules/saml/lib/Auth/Process/FilterScopes.php

modules/saml/lib/Auth/Process/NameIDAttribute.php

...les/saml/lib/Auth/Process/PersistentNameID2TargetedID.php

modules/saml/lib/Auth/Source/SP.php

modules/saml/lib/BaseNameIDGenerator.php

modules/saml/lib/IdP/SAML1.php

modules/saml/lib/IdP/SAML2.php

modules/saml/lib/IdP/SQLNameID.php

modules/saml/lib/Message.php

modules/saml/lib/SP/LogoutStore.php