ol3 is now internal, ol is now external

As discussed with @ahocevar, @elemoine and @tschaub.

src/ol/object_test.js

@@ -0,0 +1,19 @@
+goog.require('goog.testing.jsunit');
+goog.require('ol');
+goog.require('ol3.Object');
+
+
+function testObject1() {
+  var obj = {k: 1};
+  obj = ol.object(obj);
+  assertTrue(obj instanceof ol3.Object);
+  assertEquals(1, obj.get('k'));
+}
+
+
+function testObject2() {
+  var obj1 = new ol3.Object();
+  var obj2 = ol.object(obj1);
+  assertTrue(obj2 === obj1);
+}
+