Move dartk to the tool folder

pkg/kernel/tool/dartk.dart

Index: pkg/kernel/tool/dartk.dart
diff --git a/pkg/kernel/bin/dartk.dart b/pkg/kernel/tool/dartk.dart
similarity index 99%
rename from pkg/kernel/bin/dartk.dart
rename to pkg/kernel/tool/dartk.dart
index e06e0646176fbcff003757807cbe2dde8b220f01..b53a1180687ecda444350991e89244047cc8246e 100755
--- a/pkg/kernel/bin/dartk.dart
+++ b/pkg/kernel/tool/dartk.dart
@@ -6,8 +6,8 @@
 import 'dart:async';
 import 'dart:io';
 
-import 'batch_util.dart';
-import 'util.dart';
+import '../bin/batch_util.dart';

[Siggi Cherem (dart-lang), 2017/04/24 23:20:37]

I only moved dartk to fix the package-dependency issue, but I can move all the
scripts in `bin` if that's what you prefer (for example, if they are all
intended for internal use only).

Let me know, I'd be happy to do so with this CL.

+import '../bin/util.dart';
 
 import 'package:args/args.dart';
 import 'package:analyzer/src/kernel/loader.dart';