Set observers version to 0.0.0 so that changesets releases it as 1.0.0 (#2376)
Set observers version to 0.0.0 so that changesets releases it as 1.0.0 (#2376)


Polymer/lit-html,Polymer/lit-html,lit/lit,Polymer/lit-html,lit/lit,Polymer/lit-html,lit/lit,lit/lit