* Bring UI/UX inline with recent changes
* Use select components as a stopgap for credential_types and orgs
* Add tabs to permissions view
* Add Organization model
* The non-refactored credentials code has been returned to its
original location. Inventories and Jobs pull in Credentials
based on its original location in the file structure.
* Apply margin to individual inputs instead of panels to have
consistent spacing at more narrow resolutions.
* Add placeholder for a Lookup component which will be necessary
to let users select an org for the credential.
