Update license headers to include copyright for ONB and BnF

find . -name '*.java' -print0 | xargs -0 perl -p -i -e 's/Copyright 2004-20[0-1][0-9] Det Kongelige Bibliotek and Statsbiblioteket, Denmark/Copyright 2004-2012 The Royal Danish Library, the Danish State and\n * University Library, the National Library of France and the Austrian\n * National Library./'

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 * The Netarchive Suite - Software to harvest and preserve websites
 * Copyright 2004-2012 The Royal Danish Library, the Danish State and
 * University Library, the National Library of France and the Austrian
 * National Library.
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