Rename deprecated config option

The new version works in Cherrypy 3.2

nilmdb/server/server.py

@@ -429,7 +429,7 @@ class Server(object):
         cherrypy.config.update({
             'server.socket_host': host,
             'server.socket_port': port,
-            'engine.autoreload_on': False,
+            'engine.autoreload.on': False,
             'server.max_request_body_size': 8*1024*1024,
             })
         if self.embedded: