Prints out a device model in the terminal by parsing dict.

def pretty_print_model(devicemodel):
    """Prints out a device model in the terminal by parsing dict."""
    PRETTY_PRINT_MODEL = """Device Model ID: %(deviceModelId)s
        Project ID: %(projectId)s
        Device Type: %(deviceType)s"""
    logging.info(PRETTY_PRINT_MODEL % devicemodel)
    if 'traits' in devicemodel:
        for trait in devicemodel['traits']:
            logging.info('        Trait %s' % trait)
    else:
        logging.info('No traits')
    logging.info('')