EOY insight testing: Create dedicated EOY test suite
EOY insight testing: Add email subject line support
PostDAO::getMostTalkativeDays
PostDAO::getAllPostsByUsernameOn
PostDAO: Add missing interface function declaration
Add Link support to PostIterator
PostDAO::getEarliestCapturedPostPubDate
EOY email styling

n.b. this only updates the compiled template - source email template in /extras is not updated, so recompiling from source will overwrite these edits.
EOY landing page design
Add ?yearend=1 to the querystring to see the landing page
EOY landing page backend + design tweaks

Implement tomorrow's teaser
EOY insight design: Fix header image
Issue #2133: EOY Most favliked post of the year
Issue #2154: EOY All About You insight
Issue #2129: EOY Most talkative day
Issue #2130: EOY Most popular pic