danvk/dygraphs — pull request #150 by klausw-g (2012-05-14 18:59:07+00:00)
Title: Add new option "drawAxesAtZero"

When set, draw the X axis at the Y=0 position and the Y axis at the X=0
position if those positions are inside the graph's visible area.
Otherwise, draw the axes at the bottom or left graph edge as usual.