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* Shows unused packages in packages view.
* Host views shows hosts IP-address.
* Host view shows buildouts grouped by name.
* Modal window for buildout config is now wider showing all
values.
* Fixed buildout views package lists indentation.
* Added settings view with option to select how many buildout versions
are stored for each buildout.
* Fixed front pages instructions how to set up
buildout.sendpickedversions.