[ACS44] Cherry pick for CLOUDSTACK-6596

[Alena Prokharchyk]

Daan, can you please cherry-pick the commit below to 4.4 branch:

ommit 515fa261ba13d825864eb2d93ed33bb0d8c88328
Author: Alena Prokharchyk <alena.prokharc...@citrix.com>
Date:   Wed May 7 15:16:47 2014 -0700

    CLOUDSTACK-6596: UUID and display flag update support for 
LBStickinessPolicy and LBHealthCheckPolicy

Thank you,
Alena.