Spacing and Tabbing reported by Travis CI, 2nd pass.

c3.js

@@ -1000,7 +1000,7 @@
                     gF = Math.abs(gMin) + gMax, fA = Math.abs(sA) + eA,
                     aTic = (Math.PI) / gF;
                 d.startAngle = (-1 * (Math.PI / 2)) + (aTic * Math.abs(gMin));
-                d.endAngle = d.startAngle + (aTic * ((d.value > gMax) ? gMax : d.value ));
+                d.endAngle = d.startAngle + (aTic * ((d.value > gMax) ? gMax : d.value));
             }
             return found ? d : null;
         }
@@ -1041,7 +1041,7 @@
             return translate;
         }
         function getArcRatio(d) {
-            var whole = __gauge_style == 'arc' ? Math.PI : (Math.PI * 2);
+            var whole = __gauge_style === 'arc' ? Math.PI : (Math.PI * 2);
             return d ? (d.endAngle - d.startAngle) / whole : null;
         }
         function convertToArcData(d) {
@@ -2257,13 +2257,13 @@
             return function (value) {
                 for (var a = 1; a < levels.length; a++) {
                     if (levels[0] === 'percentage' && ((value / __gauge_max) * 100) < levels[a]) {
-                        return colors[a-1];
+                        return colors[a - 1];
                     }
                     if (levels[0] === 'whole' && value < levels[a]) {
-                        return colors[a-1];
+                        return colors[a - 1];
                     }
                 }
-                return colors[colors.length-1];
+                return colors[colors.length - 1];
             };
         }
 
@@ -2452,8 +2452,8 @@
             } else {
                 area = d3.svg.area()
                     .x(xx)
-                  .y0(function (d, i) { if (__data_groups.length > 0) { var point = getPoint(d,i); return point[0][1]; } return yScaleGetter(d.id)(0); })
+                    .y0(function (d, i) { if (__data_groups.length > 0) { var point = getPoint(d, i); return point[0][1]; } return yScaleGetter(d.id)(0); })
-                  .y1(function (d, i) { if (__data_groups.length > 0) { var point = getPoint(d,i); return point[1][1]; } return yScaleGetter(d.id)(d.value); });
+                    .y1(function (d, i) { if (__data_groups.length > 0) { var point = getPoint(d, i); return point[1][1]; } return yScaleGetter(d.id)(d.value); });
             }
 
             return function (d, i) {
@@ -2477,7 +2477,7 @@
             var getPoint = generateGetLinePoint(lineIndices, isSub),
                 yScaleGetter = isSub ? getSubYScale : getYScale,
                 xValue = isSub ? subxx : xx,
-                yValue = function (d,i) { if (__data_groups.length > 0) { var point = getPoint(d,i); return point[0][1]; } return yScaleGetter(d.id)(d.value); },
+                yValue = function (d, i) { if (__data_groups.length > 0) { var point = getPoint(d, i); return point[0][1]; } return yScaleGetter(d.id)(d.value); },
                 line = d3.svg.line()
                     .x(__axis_rotated ? yValue : xValue)
                     .y(__axis_rotated ? xValue : yValue);
@@ -2843,13 +2843,13 @@
             updateLegend(mapToIds(c3.data.targets), {withTransform: false, withTransitionForTransform: false});
 
             /*-- Main Region --*/
-            if (c3.data.targets.length == 0) {
+            if (c3.data.targets.length === 0) {
                 main.append("text")
                   .attr("class", CLASS.text)
                   .attr("x", (main[0][0].parentNode.width.baseVal.value / 2) - margin.left)
                   .attr("y", (main[0][0].parentNode.height.baseVal.value / 2) - margin.top)
                   .attr("text-anchor", "middle")
-                .attr("style", (__data_empty_label_fill ? "fill:"+ __data_empty_label_fill +"; " : "") + (__data_empty_label_size ? "font-size:"+ __data_empty_label_size +"; " : "") )
+                  .attr("style", (__data_empty_label_fill ? "fill:" + __data_empty_label_fill + "; " : "") + (__data_empty_label_size ? "font-size:" + __data_empty_label_size + "; " : ""))
                   .text(__data_empty_label_text);
             }
 
@@ -3730,8 +3730,8 @@
                   .attr("transform", "scale(1,1)")
                   .attr("d", function (d) {
                       d.value = __gauge_max;
-                  d.startAngle = -1*(Math.PI/2);
+                      d.startAngle = -1 * (Math.PI / 2);
-                  d.endAngle = Math.PI/2;
+                      d.endAngle = Math.PI / 2;
                       return getArc(d, true);
                   });
             mainArc.exit().transition().duration(durationForExit)