Nick Jones 8d70201feb Make syslog logging handler optional
This commit makes the inclusion of configuration for the syslog handler
conditional, based on the value of horizon::log_handler.

Change-Id: I284ffb7ca97ec7548bc9d98674d4a92d01c319ba
Closes-Bug: #1563239
2016-03-29 12:18:29 +01:00
..