getTabsOptions: function(tabs) {
        // ******
        // CAREFUL: if you add anything new to the widgets.json
        //          remember to add it inside CompareGridPresenter (getTabsOptions function) and inside widgetPresenter (changeTab function)
        //          You must add it to views/api/v1/widgets/show.json.rabl (If you don't, the API won't send the new parameter)