One-liners for unittest and matcher.

Also had to give a one-liner to stack_trace, to work around a doc generation issue (dartbug.com/13246).

R=gram@google.com

Review URL: https://codereview.chromium.org//23828006

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/stack_trace@27398 260f80e4-7a28-3924-810f-c04153c831b5

pkgs/stack_trace/lib/stack_trace.dart

diff --git a/pkgs/stack_trace/lib/stack_trace.dart b/pkgs/stack_trace/lib/stack_trace.dart
index f031f95..dba95e9 100644
--- a/pkgs/stack_trace/lib/stack_trace.dart
+++ b/pkgs/stack_trace/lib/stack_trace.dart
@@ -3,6 +3,8 @@
 // BSD-style license that can be found in the LICENSE file.
 
 /**
+ * Stack trace generation and parsing.
+ *
  * ## Installing ##
  *
  * Use [pub][] to install this package. Add the following to your `pubspec.yaml`