anchor.diff:    # Check that docker-machine is installed, and has the right version
     # 
     if command_exists docker-machine; then
  -     docker_machine_version=$(docker-machine version | cut -d"," -f1|cut -d" " -f3)
  +     local docker_machine_version=$(docker-machine version | cut -d"," -f1|cut -d" " -f3)
        echo -ne "  - Docker-machine version\t: $docker_machine_version"
        if $(do_version_check $docker_machine_version $supported_docker_machine_version); then
          echo -e "\t - OK"
  
positive.code:   # Check that docker-compose is installed, and has the right version
    #
    if command_exists docker-compose; then
       docker_compose_version=$(docker-compose version --short)
       echo -ne "  - Docker-compose version\t: $docker_compose_version"
       if $(do_version_check $docker_compose_version $supported_docker_compose_version); then
         echo -e "\t - OK"
  
negative.code: check_docker_dependencies() {
    local check_result=0
    local supported_docker_version="1.11.1"
    local supported_docker_compose_version="1.6.0"
    local supported_docker_machine_version="0.6.0"
  
    # Check that docker is installed, and has the right version
    #
    echo " - Running dependency checks, please wait..."
    if command_exists "docker";  then
       local docker_version=$(docker version --format '{{.Client.Version}}')
       echo -ne "  - Docker version\t\t: $docker_version"
       if $(do_version_check $docker_version $supported_docker_version);then
         echo -e " - OK"
  