proposal to fix issue json-schema-form#33

Author: patriziotufarolo

src/tabarray.html

@@ -28,7 +28,7 @@
 
   <div ng-class="{'col-xs-9': !form.tabType || form.tabType === 'left' || form.tabType === 'right'}">
     <div class="tab-content {{form.fieldHtmlClass}}">
-      <div class="tab-pane clearfix tab{{selected.tab}} index{{$index}}"
+      <div class="tab-pane clearfix index{{$index}}"
            sf-field-model="ng-repeat"
            ng-repeat="item in $$value$$ track by $index"
            ng-show="selected.tab === $index"