It was decided to relicense Ganeti under terms of the 2-clause
BSD license (issue #936) from stable-2.10 onwards. So after merging
the corresponding changes from 2.10 to 2.11 change the license in
the files added in 2.11 as well.

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Petr Pudlak <pudlak@google.com>