add max age in order to avoid options request every times

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/trunk@1055 b32b6428-25c9-4566-ad07-03861ab6144f

devices/xaal-restapi/src/xaalrestapi/cherrypyrestapi.py

@@ -69,6 +69,7 @@ class Sender(object):
     def OPTIONS(self):
         cherrypy.response.headers['Access-Control-Allow-Origin'] = '*'
         cherrypy.response.headers['Access-Control-Allow-Methods'] = 'POST'
+        cherrypy.response.headers['Access-Control-Max-Age'] = '60' #60 seconds
         cherrypy.response.headers['Access-Control-Allow-Headers'] = 'Content-Type'
     
     @cherrypy.tools.json_in()