New bundle for fork/join actors, new class DefaultModelElementClassProvider
Removed com.isencia.passerelle.domain.et directory.
DAWNSCI-671: Fix for fork/join actor problem in submodels by synchronizing bundle com.isencia.passerelle.actor with latest passerelle@google SVN revision (1762).
Merge of branch passerelle_dawn_v3 (passerelle@google)
Added stub to make it easier to extend interface.