BUG-1255 extension proposal

- added new dependency
- this dependency is needed by
  https://git.opendaylight.org/gerrit/#/c/9393/

Change-Id: I7ef3e3f5b37034d8a1a6b9e110fcc63f4155fb6b
Signed-off-by: Michal Rehak <mirehak@cisco.com>