Fixes package dependencies between aas and submodel

Moves ConceptDescription & DataSpecification to submodel package
Moves XML metamodel converters to aas package
Removes idSemantics from AAS (unnecessary due to semanticId in HasSemantics)

Change-Id: Ic8360ff0b8f561c705714495f6d175d9cea852b1
Signed-off-by: Daniel Espen <daniel.espen@iese.fraunhofer.de>
23 files changed