Bump version 1.2.8
Bump version 1.2.8

Change-Id: I3376e30ef0165e17895f7b3c0b117a0424ae2618

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