refactoring: 
- generic execute OpRuleCommands and OpRuleConstraints 
- preparation for CC rules
- code structure improvements
- generalised generation of operational rules
- moved rule specific parts to CreateRuleAttributeCommand
- removed auto generated TODOs that have been handled
extended feature:
- generation of CC rules
- application of consistency creating rules for
consistency checking of triple graphs
update of example: CD2RDBM, removal of backup files