Rename fletch -> dartino

lib/os/native_process.dart

Index: lib/os/native_process.dart
diff --git a/lib/os/native_process.dart b/lib/os/native_process.dart
index f686c36e1912b0f2b5d27f772d218643313f01cb..db28304025b401d9a8b1122d12b378bfd664e522 100644
--- a/lib/os/native_process.dart
+++ b/lib/os/native_process.dart
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 
-part of dart.fletch.os;
+part of dart.dartino.os;
 
 class NativeProcess {
 
@@ -52,7 +52,7 @@ class NativeProcess {
     }
   }
 
-  @fletch.native static int _spawnDetached(int argumentsAddress) {
+  @dartino.native static int _spawnDetached(int argumentsAddress) {
     throw new UnsupportedError('_spawnDetached');
   }
 }