message channels

Release 198

New: Team chat servers for each organization
Fix: Chat repeating in active meetings
Update: Supported browser notification
Update: Video conferencing performance enhancements
Update: Member avatars displayed with names in message channels
Update: Meeting agenda timer animation improved
Update: Close meeting agenda panel open by default on mobile devices
Update: Removed automatic script that forced meetings to end
Update: Meeting card design + add Group name
Update: Show formatting of meeting agenda items in-meeting