Update LICENSE

year range updated
Merge pull request #170 from peterkokot/patch-1

Update LICENSE
refactoring for qbv2
allow dev-master failures
Merge pull request #169 from sonata-project/qbv2

[WIP] refactoring for qbv2
use PropertyAccess instead of straight reflection
do not show translation generic documents in tree
Merge pull request #175 from sonata-project/hide-translation-documents

do not show translation generic documents in tree
Merge pull request #173 from sonata-project/tree-property-access

use PropertyAccess instead of straight reflection
Fix permission validation bug for sonata admin types
Merge pull request #176 from tiagojsag/fix_sonata_admin_type_permission_bug

Fix permission validation bug for sonata admin types
cleanup the tree support a bit more
Merge pull request #174 from sonata-project/cleanups

cleaning up the tree handling a bit more