Prepare to publish analyzer

R=scheglov@google.com

Review URL: https://codereview.chromium.org/1527293003 .
diff --git a/pkg/analyzer/CHANGELOG.md b/pkg/analyzer/CHANGELOG.md
index b5f3366..d7e871c 100644
--- a/pkg/analyzer/CHANGELOG.md
+++ b/pkg/analyzer/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## 0.27.1
 * Moved the public and private API's for the element model into their proper places.
+* Added back support for auto-processing of plugins.
 
 ## 0.27.0
 * Support for DEP 37 (Assert with optional message).
diff --git a/pkg/analyzer/pubspec.yaml b/pkg/analyzer/pubspec.yaml
index fab059e..7ab2b51 100644
--- a/pkg/analyzer/pubspec.yaml
+++ b/pkg/analyzer/pubspec.yaml
@@ -1,5 +1,5 @@
 name: analyzer
-version: 0.27.0
+version: 0.27.1
 author: Dart Team <misc@dartlang.org>
 description: Static analyzer for Dart.
 homepage: http://www.dartlang.org