set backupCount for logs to 30 days (~ a month)

Author: aintsay

conf/logs.conf

@@ -16,6 +16,7 @@ class=handlers.TimedRotatingFileHandler
 level=DEBUG
 formatter=fileFormatter
 args=(os.path.join(os.getenv("PIPE_LOGSPATH", "logs"), os.getenv("PIPE_HANDLER", "handler") + ".log"), 'midnight')
+backupCount=30
 
 [formatter_fileFormatter]
 format=%(asctime)s %(levelname)s: %(message)s