replaced ProgressListener by ProgressWriter which provides PrintStreams out() and err() instead of just a println() method
show progress of RecordMovieDialog and disable "Record" button while working.
bugfix: use relative paths to link to hdf5 partition files. Provide a tool to fix old datasets.
VisibilityAndGroupingDialog: update button states when adding/removing sources.
SetupAssignments supports adding and removing ConverterSetup
minor improvmenets