All about you insight: fix bad headline
Exclamation count: Remove headline that doesn't second-person well
Copy fix: Congrats count insight headline + test
Temporarily regenerate congrats count (to rollback)
Favorite flashback: Update headline to include username
Roll back be6a952ef74de1eccb826e7598f78e23c7224ab9
Bio tracker display fixes
* On multiple diffs that get collapsed by default, change "See more people" to "See more changes"
* If the before bio is empty, the after bio appears in all green
* Fix the list expansion issues for both bio changes and when images are present in hidden insights.
New insight: Facebook Age Analysis

Adds DAO methods for selecting commentors and favers.
Adds new tests to plugin tests.
Add Facebook birthday permissions, handle Facebook-formatted and partial dates

Closes #1944 closes #1944 closes #2102
Twitter age insight: fix test failures
Age analysis insight: Make the headline second-person friendly
New insight: Top Words

Added stemmer lib and stemming function to Utils.

closes #2020, closes #2149
Top words: Correct days of week