* remove header used for backwards compatibility in KV mounts, and use v1 paths for v1, v2 paths for v2
* make the model hook always run
* simplify adapter & serializer code for secrets
* update tests
* fix lease tests
* address review feedback
* move submit buttons in auth-form into a form tag because IE11 is sad
* add acceptance test for auth-method clearing
* update ember-cli-page-object
* actually remove the form attr on the auth-form component
* remove form attribute on init form
* remove form attribute from shamir-flow component
* stringify not strigify
* fix capability lookup for kv backends
* remove list capabilities call and gating UI parts on capabilities.canCreate
* remove capabilities on create and update tests
* run dev server with no colors and use readline to log stdout stream
* fix + skip lease tests
* remove space on mounts list
* use waitForEvent for the CSP service as @alisdair suggested
* Secrets engine not secret engine
* move algorithm -> hash_algorithm and add support for picking signature_algorithm for RSA keys when signing or verifying in transit
* add ember-cli-content-security-policy
* only enable client side CSP when not in production - the go side handles this otherwise
* add service that handles and stores CSP violations via the securitypolicyviolation event
* update auth form component to show a specialized message when there's a CSP error
* move to computed prop for showing the CSP error message
* fix typos
Matthew Irish