Add cardinalities for concepts of model type 'business control flow'

This reflects the current state originally implemented by Endrju and Sobhi.
Add general concepts which may be used in all of the existing model types

This reflects the current state originally implemented by Endrju and Sobhi.
Add cardinalities for concepts of model type 'business process map'

This reflects the current state originally implemented by Endrju and Sobhi.
Add cardinalities for concepts of model type 'composition/decomposition'

This reflects the current state originally implemented by Endrju and Sobhi.
Merge branch 'feature-cardinalities' into develop

This reflects the current state originally implemented by Endrju and Sobhi.