Add more comments to the Drupal import script since there seems to be a lot of variation in the db schema
UX: Clicking the large wiki glyph should edit the post.
FIX: proper property brace expansion syntax :(
FIX: Don't link to notifications without URLs
Revert "Enable RTL direction in emails."
Merge pull request #2628 from discourse/revert-2625-rtl-email

Revert "Enable RTL direction in emails."
UX: title text for wiki icon
FIX: use iso8601 timestamp format in crawler view of a topic
ES6: Convert all test files over
FIX: Don't generate compatibility layer for test files
REFACTOR: Don't use `Discourse.Capabilities`, instead use injection.
Also fix broken test. /cc @Sam
FIX: logster update, enable ignore patterns
PERF: run full vacuum every 90 days (during migration)

Will reclaim space and improve perf
FIX: avoid exception in path that is very exception prone
PERF: last seen index on users
PERF: stop mucking with user stats every 15 minutes

(pushed to twice daily)
missed a topic-progress size on mobile
add lowercase "translations" for topic map
use hide icon for Agree and Hide Post
TESTS: Remove home logo tests, they are written in the incorrect way and
don't test much of value.