Documentation fixes

Documentation fixes


Hi,
I updated a few docs to work around some issue we still had: ui-object
listings now all use html instead of wiki markup, giving is good
results in both the wiki and on our demo pages. I also removed the
default demos for Draggable and Tabs - thats a bit more annoying, but
currently the best way to get examples properly displayed for each
option. Previously, with those default demos in place, each option
that didn't have an example would display the default example instead.
So in general: If you spot some wiki markup on our demo pages, try to
replace it with html in the wiki (until we have a better system in
place, not during this release).
Jörn