** Added new CoOpsSessionType: SERVER
** Changed CoOpsDocumentWebSocket to send patches received between
joining and opening of web socket to client when it opens the socket
** Renamed CoOpsSessionJoinEvent -> CoOpsSessionOpenEvent
** Added listener for dispatching CoOps session events
** Removed deprecated coops-rest and coops-ws ckeditor plugins
** Added methods for updating CoOpsSession type
** Added support for extensions into CoOpsApiDocument
** Added initial support for displaying file collaborators when editing
a document in Forge
** Fixed css bugs caused by _notifications.scss
** Fixed couple of bugs that caused session events to be either fire in
wrong place, wrong session id on not at all