Added prerelease

Added prerelease

Merge pull request #1 from google/master

Change mkdocs from pages to nav (google#421)

Merge branch 'google:master' into autobuild

limited test

Lint error cleanup following google#345 (google#390)

* Lint error cleanup following google#345
* Makes new serialize= test deterministic

Lint error cleanup following google#345 (google#390)

* Lint error cleanup following google#345
* Makes new serialize= test deterministic