Bar chart rewrite, allow negative values in bar chart
Merge branch 'master' into bar-negative
Merge branch 'master' into bar-negative
Subchart bar refactoring, allow negative values
Fix indentation in sample
Fix bar offset when multiple negative values - #30
No padding.bottom when bar chart with only positive values
Update sample for stacked bar chart - #30
Update c3.min.js
Update version
Remove uselss code
Fix y domain max/min when undefined
Fix y grid lines
Update sample for chart bar stacked
Add sample for xy line chart
Add sample for grid.x.lines
Fix grid.y.lines
Update sample for grid lines
Fix rgba for tooltip shadow #31
Fix redraw for circles