Fixed generation condition.
* src/plugins/FtmStyleDescendants.py (write_report):
Do not print children if the current generation is the last.
* src/plugins/DetDescendantReport.py (filter):
Make it apply_filter, clean up and make shorter, modify numbering
algorithm so that no gaps occur in people's indices.
svn: r1649
Change to regular name instead of formal name.
* src/plugins/FtmStyleDescendants.py (print_more_about):
Likewise.
* src/plugins/FtmStyleDescendants.py (print_children):
Table name includes only family id.
svn: r1645
