* allow passing a path for options so that it can be extracted from the model
* add cred type selector for the aws generate form
* style hint text on generate creds form
* add tests for aws-credential adapter
* allow for the case where we might have zero ttl
* show error for TTL picker if a non-number is entered for the duration part of the TTL
* fix positioning of tooltips
* fix ttl rendering with invalid input for initialValue
Update UI for AWS secret backend refactor
* Support empty AWS policy documents
* Try to make ARN input multiple
* move aws-role serializer to use the application serializer as the base
* support editing strings as JSON in the form field component
* update model, form and show to use form-component component, and swap fields based on credential type
* fix tests
* unify credential generation for aws and remove the STS specific action in the UI
* add label to the new json string form field
Matthew Irish