re-add whiskers to violin plots

Author: 28raining

src/traces/box/calc.js

@@ -286,8 +286,8 @@ module.exports = function calc(gd, trace) {
                 q1: _(gd, 'q1:'),
                 q3: _(gd, 'q3:'),
                 max: _(gd, 'max:'),
-                mean: (trace.boxmean === 'sd') || (trace.sizemode === 'sd') ? 
-                    _(gd, 'mean ± σ:').replace('σ', trace.sdmultiple===1 ? 'σ' : (trace.sdmultiple + 'σ')) : //displaying mean +- Nσ whilst supporting translations
+                mean: (trace.boxmean === 'sd') || (trace.sizemode === 'sd') ?
+                    _(gd, 'mean ± σ:').replace('σ', trace.sdmultiple === 1 ? 'σ' : (trace.sdmultiple + 'σ')) : // displaying mean +- Nσ whilst supporting translations
                     _(gd, 'mean:'),
                 lf: _(gd, 'lower fence:'),
                 uf: _(gd, 'upper fence:')

src/traces/violin/attributes.js

@@ -155,6 +155,7 @@ module.exports = {
     hovertemplate: boxAttrs.hovertemplate,
 
     quartilemethod: boxAttrs.quartilemethod,
+    showwhiskers: boxAttrs.showwhiskers,
 
     box: {
         visible: {

src/traces/violin/defaults.js

@@ -49,5 +49,6 @@ module.exports = function supplyDefaults(traceIn, traceOut, defaultColor, layout
     var meanLineVisible = coerce('meanline.visible', Boolean(meanLineColor || meanLineWidth));
     if(!meanLineVisible) traceOut.meanline = {visible: false};
 
+    coerce('showwhiskers');
     coerce('quartilemethod');
 };