Contacts: Check that UIDs really are unique on import. Better solution would be to suggest to merge contacts, but that will have to wait to OC5 ;-)

Applied patches by Nicolas progweb at free.fr - https://mail.kde.org/pipermail/owncloud/2012-April/002900.html

wrote a new versioning app over the weekend. Basic functionality to far but it works (TM) and has all the needed features (TM) for ownCloud 4. Userinterface integration and small improvements still missing.