Added

• Accept inbound activities at a shared inbox.
• Bound the time an inbound activity spends fetching remote objects.
• Collapse long posts behind a generated summary.

Fixed

• Keep a repeat follow request from ignoring the response already sent.
• Fix poll's closed namespace, and treat closed and endTime interchangeably.
• Remove geometry adjustments from the highlighted CSS class.

Changed

• Be more liberal with the timestamp formats accepted.