[EAP6-69] Added the new core-security-api and security-api artefacts.

These are now used by quickstarts instead of depending on internal APIs.

These artefacts were built after the following commit: -
  https://github.com/jbossas/jboss-eap/commit/a54ab0904424e8d6f9f77b3d1644454fb53f8f06