remove model changing validations fix Delete_Orphan #3379
remaining clone methods
upper case for JoinTable WorkingSet_DescriptionBase
Use workingSet in SDD import #2163
merge 3.0.2 to trunk
minor
Removal of untyped expression
CHANGES TO THE CDMLIB-MODEL: Media and DefinedTermBase become IdentifiableEntity, new classes to represent descriptive dataset and keys