matcher: fixed status file, formatting, tweaks to readme

test/test_utils.dart

 // Copyright (c) 2012, 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 matcher.test_utils;
 
 import 'dart:async';
 
 import 'package:matcher/matcher.dart';
 import 'package:unittest/unittest.dart' show test, expectAsync;
@@ skipping 47 matching lines @@
     expect(_errorCount, equals(0));
   }
   if (isAsync) {
     Timer.run(expectAsync(afterTest));
   } else {
     afterTest();
   }
 }
 
 doesNotThrow() {}
-doesThrow() { throw 'X'; }
+doesThrow() {
+  throw 'X';
+}
 
 class PrefixMatcher extends Matcher {
   final String _prefix;
   const PrefixMatcher(this._prefix);
   bool matches(item, Map matchState) {
     return item is String &&
         (collapseWhitespace(item)).startsWith(collapseWhitespace(_prefix));
   }
 
-  Description describe(Description description) =>
-    description.add('a string starting with ').
-        addDescriptionOf(collapseWhitespace(_prefix)).
-        add(' ignoring whitespace');
+  Description describe(Description description) => description
+      .add('a string starting with ')
+      .addDescriptionOf(collapseWhitespace(_prefix))
+      .add(' ignoring whitespace');
 }