returns the list of plugins from the specified directory
    :param directory: directory that contains the plugins. Files starting with _ will be ignored.

def get_plugins(directory):
    """
    returns the list of plugins from the specified directory
    :param directory: directory that contains the plugins. Files starting with _ will be ignored.
    """
    # not just plugin_*.py
    plugins = []
    files = glob.glob(directory + "/*.py")
    for p in files:
        p = p.replace(directory + "/", "").replace(".py", "")
        if not p.startswith('_'):
            plugins.append(p)
    # log.info("Loading Plugins from {0}".format(dir))
    # log.info("   {0}".format(str(plugins)))
    return plugins