Add tooltip.format option - #49
Remove references to inner function from tooltip.contents - #49
Add legend.positon - #48
protecting updateLegend call based on legend:show config to avoid js error.
Update c3.min.js
Fix legend position on Firefox
Fix data leble position on Firefox
Fix tooltip position
Fix transition for axis
Update version
Include uglify task
Add y lines option for grid
Set __grid_y_ticks as option
Fix svgLeft - #52
Extend axis.x.label
Add option for label position - #59
Modify tooltip.enabled to tooltip.show
Fix axis.y.min when 0 - #56
Fix axis label when rotated
Set nornal x axis culling true when rotated