pkg/third_party/html5lib: lots of cleanup

pkg/third_party/html5lib/pubspec.yaml

Index: pkg/third_party/html5lib/pubspec.yaml
diff --git a/pkg/third_party/html5lib/pubspec.yaml b/pkg/third_party/html5lib/pubspec.yaml
index 955132dfd363eab9b0ddc2009e52b70916b0c311..1ce6624791f7543e2e889e2b33894b3fafb05a78 100644
--- a/pkg/third_party/html5lib/pubspec.yaml
+++ b/pkg/third_party/html5lib/pubspec.yaml
@@ -1,14 +1,14 @@
 name: html5lib
-version: 0.9.1
+version: 0.9.2-dev
 author: Dart Team <misc@dartlang.org>
 description: A library for working with HTML documents.
 homepage: http://pub.dartlang.org/packages/html5lib
+environment:
+  sdk: '>=1.0.0 <2.0.0'
 dependencies:
-  source_maps: ">=0.9.0 <0.10.0"
-  utf: ">=0.9.0 <0.10.0"
+  source_maps: '>=0.9.0 <0.10.0'
+  utf: '>=0.9.0 <0.10.0'
 dev_dependencies:
-  browser: ">=0.9.0 <0.10.0"
-  path: ">=0.9.0 <0.10.0"
-  unittest: ">=0.9.0 <0.10.0"
-environment:
-  sdk: ">=1.0.0 <2.0.0"
+  browser: '>=0.9.0 <0.10.0'
+  path: '>=0.9.0 <2.0.0'
+  unittest: '>=0.9.0 <0.11.0'