matcher: fixed status file, formatting, tweaks to readme

lib/src/prints_matcher.dart

 // Copyright (c) 2014, 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.prints_matcher;
 
 import 'dart:async';
 
 import 'description.dart';
 import 'expect.dart';
@@ skipping 13 matching lines @@
 
 class _Prints extends Matcher {
   final Matcher _matcher;
 
   _Prints(this._matcher);
 
   bool matches(item, Map matchState) {
     if (item is! Function) return false;
 
     var buffer = new StringBuffer();
-    var result = runZoned(item, zoneSpecification:
-        new ZoneSpecification(print: (_, __, ____, line) {
+    var result = runZoned(item,
+        zoneSpecification: new ZoneSpecification(print: (_, __, ____, line) {
       buffer.writeln(line);
     }));
 
     if (result is! Future) {
       var actual = buffer.toString();
       matchState['prints.actual'] = actual;
       return _matcher.matches(actual, matchState);
     }
 
     return completes.matches(result.then(wrapAsync((_) {
       expect(buffer.toString(), _matcher);
     }, 'prints')), matchState);
   }
 
   Description describe(Description description) =>
       description.add('prints ').addDescriptionOf(_matcher);
 
-  Description describeMismatch(item, Description description, Map matchState,
-      bool verbose) {
+  Description describeMismatch(
+      item, Description description, Map matchState, bool verbose) {
     var actual = matchState.remove('prints.actual');
     if (actual == null) return description;
     if (actual.isEmpty) return description.add("printed nothing.");
 
     description.add('printed ').addDescriptionOf(actual);
 
     // Create a new description for the matcher because at least
     // [_StringEqualsMatcher] replaces the previous contents of the description.
-    var innerMismatch = _matcher.describeMismatch(
-        actual, new StringDescription(), matchState, verbose).toString();
+    var innerMismatch = _matcher
+        .describeMismatch(actual, new StringDescription(), matchState, verbose)
+        .toString();
 
     if (innerMismatch.isNotEmpty) {
       description.add('\n   Which: ').add(innerMismatch.toString());
     }
 
     return description;
   }
 }