Bump version 1.2.1
Bump version 1.2.1

We should bump version after last taging instead of right before next
tagging

Change-Id: I78d73cd3ca65f0489be8badf4013eb7272458fe7

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