* Applied more Interface Segregation, weakening the coupling to IGUi from various classes. * Deleted IGuiCommand. Related to Issue [WTI-185]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@1862 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 1f8058aa82c3c5adf8c7f62fe590e453fbc44ffa