[NONE] Turn ClonePolicy into CloneSupport.
[510415] Refactoring: IGesture, IHandler, IPolicy. - Renamed ITool to IGesture. - Differentiate interaction and transaction policies as distinct concepts: * AbstractTransactionPolicy -> IPolicy / AbstractPolicy * AbstractInteractionPolicy -> IHandler / AbstractHandler - Adopted implementations, tests, methods, parameters, (and some comments).
[510415] Add missing IHandler and package-info files.