Fix right padding when legend is not right

src/size.js

@@ -29,13 +29,13 @@ c3_chart_internal_fn.getCurrentPaddingLeft = function (withoutRecompute) {
 };
 c3_chart_internal_fn.getCurrentPaddingRight = function () {
     var $$ = this, config = $$.config,
-        defaultPadding = 10, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0;
+        defaultPadding = 30, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0;
     if (isValue(config.padding_right)) {
         return config.padding_right + 1; // 1 is needed not to hide tick line
     } else if (config.axis_rotated) {
-        return defaultPadding + legendWidthOnRight;
+        return ($$.isLegendRight ? 0 : defaultPadding) + legendWidthOnRight;
     } else if (!config.axis_y2_show || config.axis_y2_inner) { // && !config.axis_rotated
-        return 2 + legendWidthOnRight + ($$.getY2AxisLabelPosition().isOuter ? 20 : 0);
+        return ($$.isLegendRight ? 0 : defaultPadding) + legendWidthOnRight + ($$.getY2AxisLabelPosition().isOuter ? 20 : 0);
     } else {
         return ceil10($$.getAxisWidthByAxisId('y2')) + legendWidthOnRight;
     }