Squashed commit of the following:

commit a7eaf2f367b20e3816aaa2014785404a8616fdd2
Author: Alessandro Mirone <mirone@esrf.fr>
Date:   Wed Jun 5 14:00:56 2013 +0200

    aggiunta licenza

commit 85a4f6ecf3da8893efe165b458ad7b9cc1813476
Author: Alessandro Mirone <mirone@esrf.fr>
Date:   Wed Jun 5 13:55:38 2013 +0200

    giusto prima di aggiungere licenze

commit a4067729c384a968dd7d998abd9b7b856cd422b7
Author: Alessandro Mirone <mirone@esrf.fr>
Date:   Wed Jun 5 12:21:11 2013 +0200

    da testare per release

commit c6110188efdafa130a3225d6f54e8e51658fbf6e
Author: Alessandro Mirone <mirone@rnice6-0201.esrf.fr>
Date:   Wed May 29 12:11:36 2013 +0200

    corretta l' imprecisione del noverlap

commit 7260d0236ec8f05d185fcf9ee29c735d2054e368
Merge: 54abea2 c4cf36e
Author: Alessandro Mirone <mirone@rnice6-0101.esrf.fr>
Date:   Wed May 29 11:29:32 2013 +0200

    Merge branch 'master2' of git.epn-campus.eu:chst into master2

commit 54abea2e35894cfdda6ec217b989ea062f6558...