Add signal handling to tfw_server.py

supervisor/tfw_server.py

@@ -2,7 +2,7 @@ from sys import stderr
 
 from tornado.ioloop import IOLoop
 
-from tfw.main import TFWServer
+from tfw.main import TFWServer, setup_signal_handlers
 from tfw.config import TFWENV
 from tfw.logging import Log, Logger, LogFormatter, VerboseLogFormatter
 
@@ -13,4 +13,6 @@ if __name__ == '__main__':
         Log(TFWENV.LOGFILE, VerboseLogFormatter())
     ]).start()
     TFWServer().listen()
+
+    setup_signal_handlers()
     IOLoop.instance().start()