added some more comments to ORMRelationCreateCommand
adjust comments of ORMRelationshipConstraintsCommand
deleted ORMGroupingCreateCommand, renamed ORMCompartmentCreateCommand to
ORMCompartmentGroupingCreateCommand and added comments to
ORMCompartmentGroupingCreateCommand
rename ORMNodeChangeConstraintsCommand to ORMNodeChangeBoundariesCommand
and added comments to ORMNodeChangeBoundariesCommand
added some more comments to ORMRelationDeleteCommand
added comments to ORMNodeCreateCommand, ORMNodeDeleteCommand,
ORMNodeRenameCommand and ORMRoleGroupDeleteCommand, added final to their
method parameters and renamed some of their methods