utils.js: Add new method objectsEqual()

public/js/icinga/utils.js

@@ -352,6 +352,14 @@
             return keys;
         },
 
+        objectsEqual: function equals(obj1, obj2) {
+            return Object.keys(obj1)
+                .concat(Object.keys(obj2))
+                .every(function (key) {
+                    return obj1[key] === obj2[key];
+                });
+        },
+
         /**
          * Cleanup
          */