I switched to unversioned jars in Branch_4_2 and HEAD for:
commons-digester, commons-lang, bsh, antlr.
Now the only remaining versioned jars left are:
policy-1.0.jar
stax-api-1.0.jar
But they are part of the jbossws/ejb3 setup
(deploy/jbossws.sar)
If any issue comes up, let me know.