- use the userid instead of having sessionid as the sessionid is just a duplicate info

...rc/main/scala/org/bigbluebutton/core/api/InMessages.scala

...c/main/scala/org/bigbluebutton/core/api/OutMessages.scala

.../main/scala/org/bigbluebutton/core/api/ValueObjects.scala

...in/scala/org/bigbluebutton/core/apps/users/UsersApp.scala