* [FIX][UI] Added flexf-column class to navbar when module parameter is vertical type, simplified class assigning in mod-menu.tpl, updated help not on menu module config page (saying to do color specification in Look and Feel admin and no need for previously-used navbar classes), and updated a few other help notes.

* [FIX][UI] UAB - Add important to aside navbar-dark background color to override Bootstrap bg-dark property (was already done for navbar=light).