Rev4536, Fix Cors permission request for connecting site

plugins/Cors/CorsPlugin.py

···
     def actionCorsPermission(self, to, address):
         site = self.server.sites.get(address)
         if site:
-            site_name = site.content_manager.contents.get("content.json", {}).get("title")
+            site_name = site.content_manager.contents.get("content.json", {}).get("title", address)
             button_title = _["Grant"]
         else:
             site_name = address

src/Config.py

···
 
     def __init__(self, argv):
         self.version = "0.7.2"
-        self.rev = 4533
+        self.rev = 4536
         self.argv = argv
         self.action = None
         self.test_parser = None