Fetch all of the templates in the src directory

    :param src: The source path
    :type  src: ``str``

    :rtype: ``list`` of ``tuple``
    :returns: ``list`` of ('key', 'description')

def _fetch_templates(src):
    '''
    Fetch all of the templates in the src directory

    :param src: The source path
    :type  src: ``str``

    :rtype: ``list`` of ``tuple``
    :returns: ``list`` of ('key', 'description')
    '''
    templates = []
    log.debug('Listing contents of %s', src)
    for item in os.listdir(src):
        s = os.path.join(src, item)
        if os.path.isdir(s):
            template_path = os.path.join(s, TEMPLATE_FILE_NAME)
            if os.path.isfile(template_path):
                templates.append(_get_template(template_path, item))
            else:
                log.debug("Directory does not contain %s %s", template_path,
                          TEMPLATE_FILE_NAME)
    return templates