Move all samples but swarm from client/samples/ to samples/ .

client/samples/dartcombat/dartcombat.dart

Index: client/samples/dartcombat/dartcombat.dart
===================================================================
--- client/samples/dartcombat/dartcombat.dart	(revision 3705)
+++ client/samples/dartcombat/dartcombat.dart	(working copy)
@@ -1,12 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-#library('dartcombat');
-
-#import('dart:html');
-#import('dartcombatlib.dart');
-
-void main() {
-  setUpGame();
-}