Changes since 1.0:
Speed up drawing of solid backgrounds.
Speed up handling of default fonts.
Switched from Alt to Control for list view key bindings to
match changes in Nautilus and Sawfish.
Fixed x/y problem that was causing a bug in Nautilus list view
clicking.
Improve handling of URIs and escaped characters.
Fix some return_if_fails that were incorrect.
Make font manager code work even when there are tabs in the
font control files.
Make the font manager code work when fonts are symbolic links.
Added more calls and clean up some implementation details,
including more self check machinery.
