prepare for release (#8)

diff --git a/pubspec.yaml b/pubspec.yaml
index f6056e2..0e0845f 100755
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: plugin
-version: 0.2.0+1
+version: 0.2.0+2
 author: Dart Team <misc@dartlang.org>
 description: Support for building plugins.
 homepage: https://github.com/dart-lang/plugin