minor topnav tooltip edits
Update Translations
Merge pull request #2613 from techAPJ/update-translations

Update Translations
Version bump to v0.9.9.15
FIX: flag count displayed at wrong position
OPTIMIZATION: Add index to `post_timings` and adjust the query
FIX: helpful/flagged posts styling on mobile
FIX: don't let admins skip post validations, unless it's faq, tos, or privacy
FIX: styling of bouncing validation errors in composer was broken
OPTIMIZATION: Don't run 12 queries every 15 mins for the Top section.
Instead, run the daily queries once every hour, and the reset of the
queries once a day.