* ui: adds a new auth form option
* add warning if nonsecure context, cleanup
* more ember-y
* Only show saml auth method for enterprise, plus tests
* Use error message helper
* Dont include saml on community auth list
* Add allSupportedAuthBackends method
* change token request from GET to PUT to match backend change
* Fetch role on sign in, cancel login after timeout
* saml acceptance test
* Add changelog
* saml test only on enterprise
* set the acs_url according to which cluster the UI is served from
* prepare namespace in addition to path with a helper func
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Co-authored-by: Chelsea Shaw <cshaw@hashicorp.com>
