I have released v2.0.0.GA for JBoss Security. You can get the artifacts from the downloads page of the JBoss Security page
http://labs.jboss.com/jbosssecurity/
There is a integration guide for JEMS projects as well as third party integrators.
http://labs.jboss.com/file-access/default/members/jbosssecurity/freezone/releases/guide/2.0.0.GA/jboss-security-integration.pdf
The release notes link is:
http://tinyurl.com/2a88gg
The source branches are tagged.
Security SPI Source
http://anonsvn.jboss.org/repos/jbossas/projects/security/security-spi/tags/2.0.0.GA/
JBossSX default implementation
http://anonsvn.jboss.org/repos/jbossas/projects/security/security-jboss-sx/tags/2.0.0.GA/
The docs project from where the integration guide was derived
http://anonsvn.jboss.org/repos/jbossas/projects/security/security-docs/tags/2.0.0.GA/