* Get stats from clickhosue
* Pull stats from clickhouse
* Use correct Query namespace
* Use Clickhouse in unit tests
* Use Clickhouse in stats controller tests
* Use fixtures for unit tests
* Add Clickhouse to travis
* Use Clickhouse session store for sessions
* Add garbage collection to session store
* Reload session state from Clickhouse on server restart
* Query from sessions table
* Trap exits in event write buffer
* Run hydration without starting the whole app
* Make session length 30 minutes
* Revert changes to fingerprint schema
* Remove clickhouse from fingerprint sessions
* Flush buffers before shutdown
* Use old stats when merging
* Remove old session schema
* Fix tests with CH sessions
* Add has_pageviews? to Stats
* WIP
* Get all stats from Clickhouse
* Use https dependency
* Do not namespace db tables in hydrate task
* Update hydration task
* Ingest data to clickhouse
* Double-write to both Clickhouse and Postgres
* Add test setup
* Keep old stats module
* Prepare for live ingestion test
* Update activation email
* Update trial upgrade emails
* Remove feedback emails
* Remove feedback email test
* Update welcome email (and send it earlier)
* Site setup emails
* Add create site emails for trialers
* Add check stats email
* Remove dead code
* Adjust site setup emails for users who are not on trial
* BCC myself on all new emails
* Use old phrasing in the welcome email
* Use site id instead of hostname for events
* Use site id in domain status check
* Revert change to tracking module
* Catch more places where link generation needed updating
* Rename site_id to domain
* Drop hostname index from events
* Add and remove recipients for email reports
* Remove unused google_settings controller action
* Background job sends email reports to multiple recipients
* Add a way to unsubscribe for recipients who cannot log in
* Fix view on plausible link
* Include bounce rate in email report