Add Bulk middleware support

Bring Bulk middleware configurable in module.

Change-Id: Iddec3f50402e6e2536fb7586f4966c06a1b75831
Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>
(cherry picked from commit c7a6239b9b59d846f08217f22cc53206f7ed801f)
Merge "Add Bulk middleware support" into stable/havana