Bump version 1.2.3
Bump version 1.2.3

Change-Id: I35f71ac0387d93f1d170d0d2105de37384211ada

okolisny/InfraRed,redhat-openstack/infrared,redhat-openstack/infrared,okolisny/InfraRed,redhat-openstack/infrared,okolisny/InfraRed