determine if two environments are on the same host. returns
    true or false

def env_same_host(env1, env2):
    """
    determine if two environments are on the same host. returns
    true or false
    """
    config = _config_file()

    h1 = dict(config.items(env1))['base_url']
    h2 = dict(config.items(env2))['base_url']

    return h1 == h2