Update Acid3 for DOM exception simplification

See http://www.w3.org/mid/CADnb78js2FtmdMBGtOEo=i+YMNa7OzWYiJc96qTM2YpQvG99MQ@mail.gmail.com

Change comes from whatwg/dom#319

acid/acid3/test.html

@@ -956,8 +956,8 @@
       test('di<v', "http://example.com/", 5);
       test('-div', "http://example.com/", 5);
       test('.div', "http://example.com/", 5);
-      test(':div', null, 14);
-      test(':div', "http://example.com/", 14);
+      //test(':div', null, 14);
+      //test(':div', "http://example.com/", 14);
       test('d:iv', null, 14);
       test('xml:test', "http://example.com/", 14);
       test('xmlns:test', "http://example.com/", 14); // (technically a DOM3 Core test)
@@ -978,10 +978,10 @@
         document.implementation.createDocumentType('a:', '', ''); /* doesn't contain an illegal character; is malformed */
         message = "failed to raise exception";
       } catch (e) {
-        if (e.code != e.NAMESPACE_ERR)
+        /*if (e.code != e.NAMESPACE_ERR)
           message = "wrong exception";
         else if (e.INVALID_ACCESS_ERR != 15)
-          message = "exceptions don't have all the constants";
+          message = "exceptions don't have all the constants";*/
       }
       if (message)
         fail(message);