michelson/lazy_high_charts — pull request #166 by sukima (2014-06-20 03:03:56+00:00)
Title: DRY up creation of JSON string

The former used self.data which is always undefined because the object uses
seires_data instead. layout_helper knew about this but high_chart did not?

Anyway, DRY the logic so it isn't repeated which fixes this problem.