Shows version information of the remote Docker service, similar to ``docker version``.

def version():
    """
    Shows version information of the remote Docker service, similar to ``docker version``.
    """
    output = docker_fabric().version()
    col_len = max(map(len, output.keys())) + 1
    puts('')
    for k, v in six.iteritems(output):
        fastprint('{0:{1}} {2}'.format(''.join((k, ':')), col_len, v), end='\n', flush=False)
    fastprint('', flush=True)