Use postgres features and hashes to ensure thread safety.
Merge branch 'master' of github.com:cconstantine/wattle

Conflicts:
	config/sidekiq.yml
When adding migrations it's important to add migrations
Revert "[#79548718] Add mailer for new notes"

This reverts commit d56453eb3b37c7dba45c61a74bd1f1a5eeae09bc.