Support the latest package:analyzer (#62)

Prepare to release 0.5.1+4

.travis.yml

diff --git a/.travis.yml b/.travis.yml
index 012a893..309dfb4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,9 @@
 language: dart
-sudo: false
+
 dart:
   - dev
   - stable
+
 dart_task:
   - test: --platform vm
   - dartanalyzer: --fatal-warnings .

CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9eab5d..cf735f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.5.1+4
+
+* Support the latest `analyzer` package.
+
 ## 0.5.1+3
 
 * Support the latest `cli_util` package.

pubspec.yaml

diff --git a/pubspec.yaml b/pubspec.yaml
index 4cff408..fb1fd02 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,12 +1,12 @@
 name: code_transformers
-version: 0.5.2-dev
+version: 0.5.1+4
 author: Dart Team <misc@dartlang.org>
 description: Collection of utilities related to creating barback transformers.
 homepage: https://github.com/dart-lang/code-transformers
 environment:
   sdk: '>=1.0.0 <2.0.0'
 dependencies:
-  analyzer: '>=0.28.0 <0.31.0'
+  analyzer: '>=0.28.0 <0.32.0'
   barback: '>=0.14.2 <0.16.0'
   cli_util: '>=0.1.0 <0.2.0'
   path: '>=0.9.0 <2.0.0'