- Extract / compose user thread "status" element
https://github.com/openpeer/opios-production/issues/126

- Event when status on user changes
https://github.com/openpeer/opios-production/issues/127

- Thread delta user status changes in conversation thread handling
https://github.com/openpeer/opios-production/issues/128

- API to change thread status for self
https://github.com/openpeer/opios-production/issues/130