Change syslog format and facility

This patch changes two things

1. Set facility to LOG_DAEMON
2. Remove ": " from tag so that the tag + pid become a single column in
   the log

Signed-off-by: Darren Shepherd <darren@rancher.com>
(cherry picked from commit 05641ccffc5088a382fa3bfb21f1276ccb6c1fc0)

daemon/logger/syslog/syslog.go

@@ -17,7 +17,7 @@ type Syslog struct {
 }
 
 func New(tag string) (logger.Logger, error) {
-	log, err := syslog.New(syslog.LOG_USER, fmt.Sprintf("%s: <%s> ", path.Base(os.Args[0]), tag))
+	log, err := syslog.New(syslog.LOG_DAEMON, fmt.Sprintf("%s/%s", path.Base(os.Args[0]), tag))
 	if err != nil {
 		return nil, err
 	}