Fixed #6 - jQueryDatePicker widget doesn't apply the question style

Author: tsv2013

src/jquery-ui-datepicker.js

@@ -5,7 +5,7 @@ function init(Survey) {
         iconName: "icon-datepicker",
         widgetIsLoaded: function() { return typeof $ == 'function' && !!$.fn.datepicker; },
         isFit : function(question) { return question.getType() === 'datepicker'; },
-        htmlTemplate: "<input class='widget-datepicker' type='text' style='width: 100%;'>",
+        htmlTemplate: "<input class='form-control widget-datepicker' type='text' style='width: 100%;'>",
         activatedByChanged: function(activatedBy) {
             Survey.JsonObject.metaData.addClass("datepicker", 
                 [{name: "dateFormat", default: "mm/dd/yy", choices: ["mm/dd/yy", "yy-mm-dd", "d M, y", "d MM, y", "DD, d MM, yy", "'day' d 'of' MM 'in the year' yy"]},