Merge branch 'master' of https://github.com/usablica/intro.js

Author: afshinm

intro.js

@@ -464,7 +464,7 @@
                                '</div><div class="introjs-tooltipbuttons"></div>';
 
       //add helper layer number
-      if (this._options.showStepNumbers) {
+      if (this._options.showStepNumbers == true) {
         var helperNumberLayer = document.createElement('span');
         helperNumberLayer.className = 'introjs-helperNumberLayer';
         helperNumberLayer.innerHTML = targetElement.step;