Fixes #1661 - Added hot_posts_data to Weekly Bests insight attachment
Merge pull request #1708 from nilakshdas/1661-weeklybestsinsight-fix

Weekly Bests insight fix, closes #1661
Response time copy fix
Only bold key stats, not whole phrase
Favorited links insight copy tweak: brief is better, standardize on other posts with lists of items
[DB MIGRATION REQ'D] Delete old Weekly best insights for regeneration
Moved getSyntaticTimeDifference() to InsightTerms class
Merge pull request #1709 from AaronKalair/move-get-syntatic-time-difference

Moved getSyntacticTimeDifference() to InsightTerms class
Expand URLs plugin: Get the title and description of expanded links during crawl
Improve insight links template: show user avatar, link originating tweet
Add missing mock function
Restore 'over the last week' to Response time insight
Fix reply spike insight bug where same insight gets renotified every crawl
Standout followers fix: Don't include verified followers in standouts list, closes #1696
Fix Reply spike tests
[DB MIGRATION REQ'D] Twitter plugin: switch from paging to post ID when capturing tweets and mentions
Set Twitter archive limit to default of 3200
Twitter plugin: Properly bubble up APICallLimitExceededException
Twitter plugin: Properly bubble up APICallLimitExceededException, take 2