Vaadin Exception handling and minor changes
merge-update from trunk
changed scope of main view
latest changes for VaadinPrototype
removed deprecated mortbay logger in MediaController not only because it is deprecated but also because of conflicts with vaadin framework
adapt tests to missing Reference.series #4293 and not null constraint for test database ddl #4382
Added a classification selector view for vaadin client.
remove deprecated method
Changed project scpecific naming to a more generic one.
better use of generics in service layer and persistence list methods
cleaned unused imports
*creating package UISet *created package disabled *created defaultView