Merge pull request #21653 from owncloud/update-license-headers-2016

Update license headers 2016

diff --cc apps/dav/appinfo/app.php
Simple merge

diff --cc apps/dav/command/createaddressbook.php
Simple merge

diff --cc apps/dav/command/syncsystemaddressbook.php
Simple merge

diff --cc apps/dav/lib/carddav/carddavbackend.php
Simple merge

diff --cc apps/dav/lib/rootcollection.php
Simple merge

diff --cc apps/dav/lib/server.php
Simple merge

diff --cc apps/dav/tests/unit/carddav/carddavbackendtest.php
Simple merge

diff --cc apps/federation/appinfo/application.php
Simple merge

diff --cc apps/federation/lib/dbhandler.php
Simple merge

diff --cc apps/federation/tests/lib/dbhandlertest.php
Simple merge

diff --cc lib/private/http/client/client.php
Simple merge

diff --cc lib/private/security/certificatemanager.php
Simple merge

diff --cc lib/private/server.php
Simple merge

diff --cc lib/public/icertificatemanager.php
Simple merge

diff --cc lib/public/iservercontainer.php
Simple merge

diff --cc lib/public/sabrepluginevent.php
Simple merge

diff --cc settings/admin.php
Simple merge

diff --cc settings/application.php
Simple merge

diff --cc settings/controller/certificatecontroller.php
Simple merge

diff --cc settings/personal.php
Simple merge

diff --cc settings/routes.php
Simple merge