Parse --link options.

    Uses parse_link() to parse each option.

def parse_links(args_link):
    """Parse --link options.

    Uses parse_link() to parse each option.
    """
    links = []
    if (args_link is not None):
        for link_str in args_link:
            try:
                links.append(parse_link(link_str))
            except ClientFatalError as e:
                raise ClientFatalError(
                    "Bad --link option '%s' (%s)" %
                    (link_str, str(e)))
    return(links)