LOW : non required parameters do not need to be set (binding) for
ValidationRule to pass
Merge branch '1.7.0' of ssh://git@github.com/openflexo-team/openflexo-core.git into 1.7.0
Merge branch '1.7.0' of ssh://git@github.com/openflexo-team/openflexo-core.git into 1.7.0
LOW : some work to do here to support new way of dealing with
virtualModelInstance