fix(orderBy): Mantain order in array of objects when predicate is not provided.

style(*): Fix nits.

fix(*): solve function nit.

Revert "fix(orderBy) and nit fixes"

This reverts commit f01a643.

fix(orderBy): Mantain order in array of objects when predicate is not provided

Author: juangabreil

src/ng/filter/orderBy.js

@@ -131,8 +131,8 @@ function orderByFilter($parse){
         }
         if (predicate === '') {
           // Effectively no predicate was passed so we compare identity
-          if (array.some(angular.isObject)) {
-            return function () {
+          if (array.some(isObject)) {
+            return function() {
               return descending ? 1 : 0;
             };
           }