witzig

plugins.push(function(viewModel) {
    var addMyButton = function() {
        var $toobarRightButtons = $('#toolbar .rightButtons');
        if (!$toobarRightButtons.length) {
            setTimeout(addMyButton, 50);
            return;
        }
        $('<a title="Hello" class="ui-button ui-corner-all ui-widget" role="button">\
            <span class="ui-button-icon ui-icon fa fa-fw fa-times-circle"></span>\
            <span class="ui-button-icon-space"></span>Hello\