Move a bunch of src/ files into subdirectories.

lib/src/suite.dart

Index: lib/src/suite.dart
diff --git a/lib/src/suite.dart b/lib/src/suite.dart
deleted file mode 100644
index 14b576a8c5268c4d7c4c9e045b65f7decf316c57..0000000000000000000000000000000000000000
--- a/lib/src/suite.dart
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) 2015, 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 unittest.suite;
-
-import 'dart:collection';
-
-import 'test.dart';
-
-/// A test suite.
-///
-/// A test suite is a set of tests that are intended to be run together and that
-/// share default configuration.
-class Suite {
-  /// The name of the test suite.
-  final String name;
-
-  /// The tests in the test suite.
-  final List<Test> tests;
-
-  Suite(this.name, Iterable<Test> tests)
-      : tests = new UnmodifiableListView<Test>(tests.toList());
-}