fix(logger): import syslog package from github

Since syslog.go is located at github.com/opdemand/deis/logger/syslog,
we should be imorting from there. Without this change, running
syslogd.go will complain that the syslog package does not exist.

Author: Matthew Fisher

logger/syslogd/syslogd.go

@@ -9,7 +9,7 @@ import (
 	"path"
 	"regexp"
 	"syscall"
-	"syslog"
+	"github.com/opdemand/deis/logger/syslog"
 )
 
 const logRoot = "/var/log/deis"