Added support for missing port in config

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@2563 b32b6428-25c9-4566-ad07-03861ab6144f

apps/rest/xaal/rest/app.py

@@ -146,7 +146,7 @@ def run():
     setup_xaal()
     app = default_app()
     debug(True)
-    port = int(cfg['config']['port'])
+    port = int(cfg.get('config').get('port',8080))
     logger.info("HTTP Server running on port : %d" % port)
     server = WSGIServer(("", port), app, handler_class=WebSocketHandler)
     server.serve_forever()