merged/implemented cdm3.3 model adaptations
SourceCollectionDetailSection : updated construction of DervivedUnit using SpecimenOrObservationType SpecimenCollectionDetailSection : updated construction of DervivedUnit using SpecimenOrObservationType GeneralDetailElement : added combo box to choose from known SpecimenOrObservationTypes...
Aligning Editor with 3.3 model changes. First phase commit which updates only the classes. Branch not compilable at the moment.
refactoring of package names for consistency
had to rename the packages to make them compliant with buckminster