Quick fix: settings.total can be a function!

related to the Sample esvit#14 Table with external control of data, when run alone it does not work: totalItems is assigned with settings.total, which in this case is a function; this causes numPages to be NaN.

ng-table.js

@@ -298,6 +298,8 @@ app.factory('ngTableParams', ['$q', '$log', function ($q, $log) {
          */
         this.generatePagesArray = function (currentPage, totalItems, pageSize) {
             var maxBlocks, maxPage, maxPivotPages, minPage, numPages, pages;
+            if (angular.isFunction(totalItems))
+                totalItems = totalItems();
             maxBlocks = 11;
             pages = [];
             numPages = Math.ceil(totalItems / pageSize);