Fixes #23483: edit Foreman license info for GitHub UI

GitHub uses a library called Licensee to identify a project's license
type. It shows this information in the status bar and via the API if it
can unambiguously identify the license.

This commit modifies LICENSE so that it begins with the full text of...

Fixes #15634 - RancherOS support

New OS support.

Fixes #19490 - Remove Apache License

fixes #14178 - introduce patternfly toast notifications

- replaces old jnoitfy with react implementation.
- Adds a notification store to handle events from
rails flash + legacy javascript Notice function and expose
an Action API to add notifications.

Fixes #13936 - Drop support for legacy browsers

This patch removes various workarounds needed to get legacy browsers to
work. Mostly stuff needed for IE<10, but also some other vendor prefixes
that are no longer needed.

Fixes #16293 - Move vendored diff.js to webpack (#3784)

Also removed a few outdated lines from the LICENSE file.

Fixes #13047, #16291 - Upgrade datatables and move it to npm

Fixes #14953 - update LICENSE file

Fixes #4629 - Migrate UI to Patternfly

Fixes #9454 - Add axis labels and reposition legend in charts

Fixes #10100 - License file is outdated

fixes #8049 - Add timezone to user

Fixes #8499 - Link LICENSE from README

fixes #4333 - added multi-select-rails gem

templates - sync from community-templates

fixes #4115 - added missing LICENSE file