Revert "Merge pull request #19 from atom/cj-do-not-store-user-id"

This reverts commit 8073553d3f5a2b89383f3986d98c86bfa7d5c01d, reversing
changes made to a4ee1d3785c7b9e4b3a06fd8afb47fbf2f86bd5f.
Prepare 0.32.0 release