Refactor ejb30 (EE mode) tests.

[starksm64]

Some tests may need to be hand ported as they use custom ant scripts. Will have to see how common this is, but one set of examples include are tests using two ejb jars with custom ejb30/common/twojars-import.xml

• [ ] com.sun.ts.tests.ejb30.assembly.initorder.appclientejb
• [ ] com.sun.ts.tests.ejb30.bb.mdb.dest.fullpath
• [ ] com.sun.ts.tests.ejb30.bb.mdb.dest.topic.fullpath
• [ ] com.sun.ts.tests.ejb30.bb.mdb.dest.topic.twojars
• [ ] com.sun.ts.tests.ejb30.bb.mdb.dest.twojars
• [ ] com.sun.ts.tests.ejb30.bb.session.stateful.ejblink.one
• [ ] com.sun.ts.tests.ejb30.bb.session.stateful.migration.threetwo.annotated
• [ ] com.sun.ts.tests.ejb30.bb.session.stateful.migration.threetwo.descriptor
• [ ] com.sun.ts.tests.ejb30.bb.session.stateful.migration.threetwo.override
• [ ] com.sun.ts.tests.ejb30.bb.session.stateless.callback.defaultinterceptor.descriptor
• [ ] com.sun.ts.tests.ejb30.bb.session.stateless.callback.threelevels.descriptor
• [ ] com.sun.ts.tests.ejb30.bb.session.stateless.ejblink.one
• [ ] com.sun.ts.tests.ejb30.bb.session.stateless.ejblink.override
• [ ] com.sun.ts.tests.ejb30.bb.session.stateless.migration.threetwo.annotated
• [ ] com.sun.ts.tests.ejb30.bb.session.stateless.migration.threetwo.descriptor
• [ ] com.sun.ts.tests.ejb30.bb.session.stateless.migration.threetwo.override
• [ ] com.sun.ts.tests.ejb30.misc.metadataComplete.appclient2ejbjars