issue2550776: fix missing intialization

Author: rouilj

CHANGES.txt

@@ -275,7 +275,9 @@ Fixed:
   windows service. Also the windows installer must be run as
   administrator and strong encouragement for installing the pytz
   module added to ``doc/installation.txt``.
-  
+- issue2550776: imapServer.py problem. Fixed a missing initialization of the
+  logging level if no logging level option is supplied. (John Rouillard)
+
 2016-01-11: 1.5.1
 
 Pay attention:

scripts/imapServer.py

@@ -354,6 +354,9 @@ def main():
         parser.error('Invalid number of arguments. '
             'Each site needs a home and a server.')
 
+    if opts.verbose == None:
+        opts.verbose = logging.WARNING
+
     log.setLevel(opts.verbose)
     myServer = IMAPServer(delay=opts.delay, pidfile=opts.pidfile,
         daemon=opts.daemon)