wpninjas/ninja-forms — pull request #180 by iamntz (2014-02-14 08:50:42+00:00)
Title: Grouping elements

Long story short, you can do this kind of stuff:
http://img.iamntz.com/jing/video_2014-02-14-10@10h49_8.mp4

Also, frontend fields that are under a fieldset will be wrapped in a div.
This also includes changes in #177