novus/nvd3 — pull request #115 by snoble (2012-07-27 15:49:09+00:00)
Title: a multichart model that handles 2 axes and stacked, multibar, and line models

Feel free to throw this out. I needed a model where I could put stacks, multibars, and lines on two shared yAxes. It is pretty useful to me so I thought it might be worth adding to the project.