Commits imported:
- c91a0a8b9faa Correct behavior for registry incr
- 2f988c8ee7f2 Core: remove debug information from registry delete
- a50bf281b546 Notifications: drop services filter
- 653971e61ced Notifications: add new 'devtools' group
- a474e6608f9b Notifications: #nasqueron-ops-logs → #nasqueron-ops
- 87fd7cbda285 Keruald notifications are for #nasqueron-logs
- 4f152124f6da [Channel] Ensure we've a video title before print it
- 449d7106d2f6 [Channel] Add a prefix to video titles