A new quick start to demonstrate how client and server side interceptors can be used with EJBs to support
identity switching and identity propagation over an existing connection.
Updated README.md from Sande Gilda.
Further updates to the quickstart optimising how the interceptors are defined.
Subsequent README update from Sande Gilda.
Changes to README to have a section for defining the configuration using the CLI and a section for manually editing the standalone.xml configuration.

Also a change to a new security domain called 'quickstart-domain' as using the CLI means we need a new domain instead of modifying an existing domain.