Merge branch 'master' into master

README.md

@@ -84,4 +84,4 @@ e.g. based on the route, or to progressively render non-critical sections of the
 application. Each new demand-loaded fragment should be added to the list of
 `fragments` in the included `polymer.json` file. This will ensure those
 components and their dependencies are added to the list of pre-cached components
-and will be included in the `bundled` build.
+and will be included in the `bundled` build.