Don't "export" DOCKER_HOST to subshells of setup.sh
Don't "export" DOCKER_HOST to subshells of setup.sh

costacruise/docker-osx-dev,brikis98/docker-osx-dev,yoanisgil/docker-osx-dev,styleseat/docker-osx-dev,davidmarkclements/docker-osx-dev,oliverguenther/docker-osx-dev,ejones/docker-osx-dev,ereslibre/docker-osx-dev,maciekrb/docker-osx-dev,Simperfit/docker-osx-dev,interactive-pioneers/docker-osx-dev,aforward/docker-osx-dev,ilkka/docker-osx-dev,devotox/docker-osx-dev,p-a/docker-osx-dev,rudenoise/docker-osx-dev