perf(forEach): use native for loop instead of forEach for Arrays

Conflicts:
	src/Angular.js

Author: IgorMinar

src/Angular.js

@@ -240,11 +240,12 @@ function forEach(obj, iterator, context) {
           iterator.call(context, obj[key], key);
         }
       }
-    } else if (obj.forEach && obj.forEach !== forEach) {
-      obj.forEach(iterator, context);
-    } else if (isArrayLike(obj)) {
-      for (key = 0; key < obj.length; key++)
+    } else if (isArray(obj) || isArrayLike(obj)) {
+      for (key = 0; key < obj.length; key++) {
         iterator.call(context, obj[key], key);
+      }
+    } else if (obj.forEach && obj.forEach !== forEach) {
+        obj.forEach(iterator, context);
     } else {
       for (key in obj) {
         if (obj.hasOwnProperty(key)) {