make golang files to pass the latest go lints

- use constructors with named fields
- fix logf statements

cmd/control/install.go

@@ -146,7 +146,7 @@ func installAction(c *cli.Context) error {
 	partition := c.String("partition")
 	statedir := c.String("statedir")
 	if statedir != "" && installType != "noformat" {
-		log.Fatal("--statedir %s requires --type noformat", statedir)
+		log.Fatalf("--statedir %s requires --type noformat", statedir)
 	}
 	if installType != "noformat" &&
 		installType != "raid" &&
@@ -531,7 +531,7 @@ func layDownOS(image, installType, cloudConfig, device, partition, statedir, kap
 		if err != nil {
 			return err
 		}
-		log.Debugf("upgrading - %s, %s, %s, %s", device, baseName, diskType)
+		log.Debugf("upgrading - %s, %s, %s", device, baseName, diskType)
 		// TODO: detect pv-grub, and don't kill it with syslinux
 		upgradeBootloader(device, baseName, diskType)
 	default:
@@ -553,7 +553,13 @@ func layDownOS(image, installType, cloudConfig, device, partition, statedir, kap
 			Timeout:  0,
 			Fallback: 0, // need to be conditional on there being a 'rollback'?
 			Entries: []install.MenuEntry{
-				install.MenuEntry{"BurmillaOS-current", config.BootDir, VERSION, kernelArgs, kappend},
+				install.MenuEntry{
+					Name:       "BurmillaOS-current",
+					BootDir:    config.BootDir,
+					Version:    VERSION,
+					KernelArgs: kernelArgs,
+					Append:     kappend,
+				},
 			},
 		}
 		install.PvGrubConfig(menu)