Change core lib, dart2js, and more for new optional parameters syntax

lib/compiler/implementation/lib/coreimpl_patch.dart

Index: lib/compiler/implementation/lib/coreimpl_patch.dart
===================================================================
--- lib/compiler/implementation/lib/coreimpl_patch.dart	(revision 13392)
+++ lib/compiler/implementation/lib/coreimpl_patch.dart	(working copy)
@@ -74,13 +74,13 @@
 // in patch files?
 patch class DateImplementation {
   patch DateImplementation(int year,
-                           [int month = 1,
-                            int day = 1,
-                            int hour = 0,
-                            int minute = 0,
-                            int second = 0,
-                            int millisecond = 0,
-                            bool isUtc = false])
+                           {int month: 1,

[Lasse Reichstein Nielsen, 2012/10/09 12:35:00]

The implementation class should not have optional parameters.
Just make them all required, and let the factory constructor on the Date class
pass all the parameters (as it probably already does).
(In the end, I hope the implementation class goes away).

[regis, 2012/10/11 01:33:56]

Done.

+                            int day: 1,
+                            int hour: 0,
+                            int minute: 0,
+                            int second: 0,
+                            int millisecond: 0,
+                            bool isUtc: false})
       : this.isUtc = checkNull(isUtc),
         millisecondsSinceEpoch = Primitives.valueFromDecomposedDate(
             year, month, day, hour, minute, second, millisecond, isUtc) {