GitHub perhaps did not include the sub-project; download the domtemplate.php file from here: https://github.com/Kroc/NoNonsenseForum/tree/master/lib/domtemplate
GitHub perhaps did not include the sub-project; download the domtemplate.php file from here: https://github.com/Kroc/NoNonsenseForum/tree/master/lib/domtemplate
Your friendly neighbourhood moderators: Kroc, Impressed, Martijn