Official pfe-icon-panel status

- [x] schema
  - https://github.com/patternfly/patternfly-elements/pull/572
- [x] theme support
- [x] framework support
    - [x] Angular
    - [x] React
    - [x] Vue
- [x] no major outstanding bugs
  - https://github.com/patternfly/patternfly-elements/issues/442
  - circles are not circular