OVSDB Clustering changes include:
 - Modifications to create an OpenDaylight
   VIP for communication between Neutron SB <-> ODL NB.
 - OpenDaylight configured in HA mode in THT via puppet-opendaylight
 - OVS instances configured with managers pointing to all 3 ODL
   instances for HA mode
 - Build now points to latest Beryllium release
 - Modified puppet-neutron in build to pull latest stable/liberty

JIRA: APEX-107

Change-Id: Iab510db922dfcd2fbd4962b9751cd2f7e5724f44
Signed-off-by: Tim Rozet <trozet@redhat.com>