Remove some cookies on logout.

vispa/controller/root.py

@@ -211,6 +211,12 @@ class RootController(AbstractController):
     @cherrypy.tools.stats(page="logout")
     @cherrypy.tools.method(accept="GET")
     def logout(self, path="/"):
+        # remove some cookies
+        cookies = ["ROUTEID"]
+        for c in cookies:
+            if c in cherrypy.response.cookie:
+                cherrypy.response.cookie[c]["expires"] = 0
+
         vispa.fire_callback("user.logout", cherrypy.request.user)
         vispa.socketbus.remove_session(self.get("window_id"))
         cherrypy.lib.sessions.expire()