Changes to the site the last few days:
- Added Social logins for Google and Facebook.
- Launched Slack Member Sync.
- Subject tags are now removed from subjects in digest messages.
- Much sysadmin work to upgrade machines
- More robust time parsing when adding a calendar event, and a better error message when we can't parse a time.
- Propagated date order when viewing group archives.
- Changed sort order of messages from the Date field in the message header to the time we received the message.
- We ignore improper bounce messages instead of responding with an SMTP 500 error.