* feat: wip, better digest handling (+ eventual digest resend logic)
- await emailer.send call in digest.send method
- save send success to a new sorted set digest:{interval}:byUid
* feat: continuing work on digest tools
- Added ACP page to view digest settings and delivery times per user
* feat: added paginator and stub buttons for resending digest
* feat: wrapping up digest revamp
- New language strings in ACP digest page
- Client-side ACP script for digest ACP page
- Websocket call for ACP page to execute digests
- Broke out logic to retrieve user digest settings to getUsersInterval
* fix: minor cleanup
* fix: #8010 and some style suggestions from baris
* fix: resolve confusing comment
* feat: add failing test for pagination
* feat: test
* fix: redis tests
* refactor: remove logs
* fix: add new test
* feat: make sortedSetRangeByScore work with keys on redis
* fix: hardcoded set name
* feat: show topics from readable categories on recent/popular/top
* feat: rewrite unread topics
respect watched categories and followed topics
* fix: term + watched
* Add view users info global privilege
* Show user ip only to global mods and admins
* fix missing comma
* Hide link for users without correct privilege
* move getting privilege information to getAllData
* Hide the link from Global Moderators as well
* Give Global Moderator view:users:info privilege
* Restrict ip in post menu to view:users:info
* add some trailing commas....
* Add privilege to categories test
* Add group privilege to categories test
* add upgrade script
* fix style for TravisCI
* more styling - change spaces to tabs
* some more styling fixes (hopefully final one)
* fix style for Travis CI
* hide ip in chat messages
* Don't show even hidden ips on user profile page
