add a bunch of definitions (credit tristanvanbokkem, b6a7e2689778d1f4a90d8dfb5d799155b6d4381d)
decrease channel/member post counts when deleting conversations
autoDismiss success messages (credit tristanvanbokkem, 2fd5de748cab7568fc3e391e803ff7bf96327e56)
fix permisssions typo (credit tristanvanbokkem, 9b7f3f82d334eb5c5ef9e3a67e3a36a70f91428b)