Add license to calico_version_helper.go (#2380)
Add license to calico_version_helper.go (#2380)


projectcalico/calico-docker,projectcalico/calico-containers,projectcalico/calico-docker,projectcalico/calico-containers,Metaswitch/calico-docker,projectcalico/calico-containers,Metaswitch/calico-docker