Inspired by the good work of Ryan Goulding in these patches:
https://git.opendaylight.org/gerrit/#/c/18135/
https://git.opendaylight.org/gerrit/#/c/18138/
I cleaned up OvsdbBridgeUpdateCommand... because I was getting lost
in there ;)
Change-Id: Id7dafa333978031815dc5072fb2c02d1dd1cc75c
Signed-off-by: Ed Warnicke <eaw@cisco.com>