relax SVN archive

Added a table-less version of the boolean doc string.

The height of the description text in the wizard page can now be overwritten.

Created the bool_to_gui() function.

Created the wizard page method boolean_selector() for creating a GUI element for bool selection.

Missing imports of _build_doc()

The deselect user functions now all have documentation created via _build_doc().

Fixes for the select user function docstrings.

The select user functions now have docstrings built by _build_doc().

Added all the select and deselect user functions to the menu.

The molecule, residue and spin bitmaps in the spin viewer window are now updated on a selection change.

The set_bitmap_mol(), set_bitmap_res() and set_bitmap_spin() methods have been created to set the
images on demand, and the update_*() methods call this for new molecules, residues and spins or when
their state changes.