bump pubspecs for package release

pkg/polymer/pubspec.yaml

Index: pkg/polymer/pubspec.yaml
diff --git a/pkg/polymer/pubspec.yaml b/pkg/polymer/pubspec.yaml
index ab6bad809efaaa002f3ec6ae5e2605d5265eba6a..f2e0ae3fddeb47449f6d90c55402371a48688377 100644
--- a/pkg/polymer/pubspec.yaml
+++ b/pkg/polymer/pubspec.yaml
@@ -1,5 +1,5 @@
 name: polymer
-version: 0.9.1-dev
+version: 0.9.1
 author: Polymer.dart Authors <web-ui-dev@dartlang.org>
 description: >
   Polymer.dart is a new type of library for the web, built on top of Web
@@ -13,13 +13,13 @@ dependencies:
   browser: ">=0.9.0 <0.10.0"
   csslib: ">=0.9.0 <0.10.0"
   custom_element: ">=0.9.0 <0.10.0"
-  html5lib: ">=0.9.1-dev <0.10.0"
+  html5lib: ">=0.9.1 <0.10.0"
   html_import: ">=0.9.0 <0.10.0"
   logging: ">=0.9.0 <0.10.0"
-  observe: ">=0.9.1-dev <0.10.0"
+  observe: ">=0.9.1 <0.10.0"
   path: ">=0.9.0 <0.10.0"
-  polymer_expressions: ">=0.9.0 <0.10.0"
-  shadow_dom: ">=0.9.0 <0.10.0"
+  polymer_expressions: ">=0.9.1 <0.10.0"
+  shadow_dom: ">=0.9.1 <0.10.0"
   source_maps: ">=0.9.0 <0.10.0"
   template_binding: ">=0.9.0 <0.10.0"
   yaml: ">=0.9.0 <0.10.0"
@@ -29,4 +29,4 @@ transformers:
 dev_dependencies:
   unittest: ">=0.9.0 <0.10.0"
 environment:
-  sdk: ">=0.8.10+6 <2.0.0"
+  sdk: ">=1.0.0 <2.0.0"