Swap from using raw m.room.member events for room members to using actual RoomMember objects, so User objects can be tacked on. Update tests.

syweb/webclient/test/unit/model-service.spec.js

@@ -25,6 +25,6 @@ describe('ModelService', function() {
         });
         
         var user = modelService.getMember(roomId, userId);
-        expect(user.state_key).toEqual(userId);
+        expect(user.event.state_key).toEqual(userId);
     }));
 });