TEIIDDES-1597 Remove the concept of extention properties for ViewImpl objects for virtual models
View is no longer available as an extended metaclass for new MEDs. If an existing MED contains a View as an extended metaclass it is a validation error.
Merge pull request #107 from elvisisking/TEIIDDES-1597

TEIIDDES-1597 Remove the concept of extention properties for ViewImpl ob.jects for virtual models