Merge branch 'stable-3.6' into stable-3.7

* stable-3.6:
  SamlWebFilterIT: throw Exception from tests
  Do not set full name when not allowed by Realm
  Do not swallow the user provisioning exception
  Fix formatting issues
  Do not load the SAML plugin when auth.httpDisplaynameHeader is set

Change-Id: I000922f4d26015821a5d01643bd24900f3f8c91a