Update bigchaindb.config with whatever is in the provided config dict,
    and then set bigchaindb.config['CONFIGURED'] = True

    Args:
        config (dict): the config dict to read for changes
                       to the default config

def update_config(config):
    """Update bigchaindb.config with whatever is in the provided config dict,
    and then set bigchaindb.config['CONFIGURED'] = True

    Args:
        config (dict): the config dict to read for changes
                       to the default config
    """

    # Update the default config with whatever is in the passed config
    update(bigchaindb.config, update_types(config, bigchaindb.config))
    bigchaindb.config['CONFIGURED'] = True