Make log level configurable

inbucket.go

@@ -7,6 +7,7 @@ import (
 	"flag"
 	"fmt"
 	"github.com/jhillyerd/inbucket/config"
+	"github.com/jhillyerd/inbucket/log"
 	"github.com/jhillyerd/inbucket/smtpd"
 	"github.com/jhillyerd/inbucket/web"
 	"os"
@@ -32,6 +33,10 @@ func main() {
 		os.Exit(1)
 	}
 
+	// Configure logging
+	level, _ := config.Config.String("logging", "level")
+	log.SetLogLevel(level)
+
 	// Startup SMTP server
 	server := smtpd.New()
 	go server.Start()