Runs the acorn setup/configuration commands.

def run(args):
    """Runs the acorn setup/configuration commands.
    """
    if args is None:
        return
    
    cmd = args["commands"][0]
    if cmd == "configure":
        if len(args["commands"]) < 2:# pragma: no cover
            msg.err("'configure' command requires a second, sub-command "
                    "parameter. E.g., `acorn.py configure packages`.")
            exit(0)

        subcmd = args["commands"][1]
        _run_configure(subcmd, args)