message: update circle_token message
diff: @@ -19,7 +19,7 @@ async function awaitPreviousBuilds({ pollInterval = 5000, logInterval = 30000 }
  if (!CIRCLE_TOKEN) {
  throw new Error(
  - "Please add CIRCLE_TOKEN in env. Must have read access for the project. See https://circleci.com/docs/api/#authentication (make sure it's scope: all)"
  + "Please add CIRCLE_TOKEN in env. This should be a project token with `scope: all`. See https://circleci.com/docs/2.0/managing-api-tokens/#creating-a-project-api-token"
  )
  }
  