* src/gen/lib/person.py: sources in attributes of eventref are not seen
in ref tables
* src/gen/lib/eventref.py: can contain sources, add methods for that
* src/gen/lib/notebase.py: whitespace
* src/plugins/Check.py: low level check of repo table, add check to
clean up referenced but not existing repos
svn: r9532
886e3299e4