Refactor TFW logging

supervisor/tfw_server.py

@@ -1,10 +1,16 @@
+from sys import stderr
+
 from tornado.ioloop import IOLoop
 
-from tfw.config.log import TFWLog
 from tfw.server import TFWServer
+from tfw.config import TFWENV
+from tfw.logging import Log, Logger, LogFormatter, VerboseLogFormatter
 
 
 if __name__ == '__main__':
-    TFWLog().start()
+    Logger([
+        Log(stderr, LogFormatter(20)),
+        Log(TFWENV.LOGFILE, VerboseLogFormatter())
+    ]).start()
     TFWServer().listen()
     IOLoop.instance().start()