closes #54 - provided args.decimals to control float issues, with default 2
fixed conflict
forgot to add float.json
closes #56 - not entirely satisfactorily, but allows negative values for both axes if that is in the cards.
updated copy on negative numbers section
made neg2.json a little more sane for graphing
closes #62
Cleanup
Initial fix for issue #26

* Enables rollover for each line in multi-line charts
* Dot’s circle is colored based on underlying line
* Still needs further refinement
Refined fix for issue #26
Reset rollover rects' opacity
Center chart title, compensate for the '?' icon
Remove unnecessary console.logs
Issue #26, add mouseout functionality

Add mouseout functionality, just like the single line chart, but in a
way that maintains a smooth transition from one point to the other.
Set area=false for 2nd multi-line chart
Cleanup
Cleanup
Merge branch 'master' into gh-pages