Change 'api_key' to 'key'
Fix typo
Only promote publishable notes
Format numbers outside of dom

Formatting that involves adding HTML tags needs to be done before we
start processing the dom using Nokogiri.
Silence i18n deprecation warning
Update gems
Change default_settings initializer to a rake task
Configure Dalli cache store
Merge remote-tracking branch 'upstream/staging' into staging

Conflicts:
	config/secret.sample.yml
Sync less frequently