Switch from 500 to 418 http error for tenant that is not available/initialized.
(MqRetry) Reconnect properly when RabbitMQ temporarily becomes unavailable
Content iterateAll fix.
Shibboleth authentication
Shibboleth Authentication PR Follow up
 * Using simong/passport-saml#master
 * Made the SP certificate global admin only
 * Added some docs
 * Styling issues
Merge master.
iterateAll PR Follow-up: Fixed superficial styling issues.
Merge remote-tracking branch 'origin/master' into errorPages
Add 418 error code to Array of codes in oae-rest util
Merge pull request #412 from simong/contentIterateAll

Content iterateAll fix.
Merge branch 'errorPages' of https://github.com/bp323/Hilary into errorPages
Added test case for 418 status code
Merge branch 'master' into shibbolethauthentication

* master:
  Added test case for 418 status code
  Add 418 error code to Array of codes in oae-rest util
  iterateAll PR Follow-up: Fixed superficial styling issues.
  Content iterateAll fix.
  Switch from 500 to 418 http error for tenant that is not available/initialized.
Added /api/auth/shibboleth to the CSRF excempt paths
Updated documentation style
Adding log parameter for safe path prefix
Fix broken build after 'request' module ugprade
Merge pull request #424 from mrvisser/request-upgrade

Fix broken build after 'request' module ugprade
Merge pull request #403 from mrvisser/mq-reconnect

(MqRetry) Reconnect properly when RabbitMQ temporarily becomes unavailable
Merge branch 'master' into issue-413