and export; Fix command line exports for gedcom, XML, and package.
* src/Exporter.py (help): Point to correct manual section.
* src/const.py.in: Add a constant for geneweb mime type name.
* src/plugins/WriteFtree.py: Support wizard and fix command line mode.
* src/plugins/writeftree.glade: Support export wizard.
* src/plugins/WritePkg.py: Support wizard and fix command line mode.
* src/plugins/ImportGeneWeb.py: Comment out debugging messages.
* src/plugins/WriteGeneWeb.py: Support for command-line export.
svn: r4054