GH278 - Removed EXECUTE_ONLY_FOR_UPDATED context flag; replaced with
INVOKE_ONLY_CONTROLLERS_WITH_CLASSES:List<marker_class or real_class>;
necessary changes throughout all code
Merge pull request #507 from flower-platform/GH278-undo-redo-command-stack

GH278 - Removed EXECUTE_ONLY_FOR_UPDATED context flag; replaced with NVOKE_ONLY_CONTROLLERS_WITH_CLASSES:List;
necessary changes throughout all code