update to using plone 4.3 by default
install CMFBibAT manually since we are not installing it as a dependency to avoid problems with the profile for that product being re-run
the iterator is now a multi-adapter for context and request, so update the tests to call it that way.
* update the call pattern for the iterator adapter to match reality
* update the test for javascripts since the resources there are not managed by the js registry anymore
create, register and apply an upgrade step that will update the three default CSLs to include the latest versions added in earlier commits.