don't build normal on docker tag
don't build normal on docker tag

twitter/zipkin,adriancole/zipkin,openzipkin/zipkin,adriancole/zipkin,adriancole/zipkin,twitter/zipkin,openzipkin/zipkin,openzipkin/zipkin,twitter/zipkin,openzipkin/zipkin,openzipkin/zipkin,twitter/zipkin,adriancole/zipkin