improve handshake handling

owrx/controllers/websocket.py

@@ -1,10 +1,10 @@
 from . import Controller
 from owrx.websocket import WebSocketConnection
-from owrx.connection import WebSocketMessageHandler
+from owrx.connection import HandshakeMessageHandler
 
 
 class WebSocketController(Controller):
     def indexAction(self):
-        conn = WebSocketConnection(self.handler, WebSocketMessageHandler())
+        conn = WebSocketConnection(self.handler, HandshakeMessageHandler())
         # enter read loop
         conn.handle()