omit git_branch from build-docker.sh
omit git_branch from build-docker.sh

as doesn't get passed correctly to Dockerfile-local
Rothamsted/knetminer,Rothamsted/knetminer,Rothamsted/knetminer,AjitPS/KnetMiner,AjitPS/KnetMiner,Rothamsted/knetminer,AjitPS/KnetMiner,AjitPS/KnetMiner