Merge branch 'master' into 1920-client-find

home/clients.go

@@ -407,11 +407,9 @@ func (clients *clientsContainer) check(c *Client) error {
 	}
 	sort.Strings(c.Tags)
 
-	if len(c.Upstreams) != 0 {
-		err := dnsforward.ValidateUpstreams(c.Upstreams)
-		if err != nil {
-			return fmt.Errorf("invalid upstream servers: %s", err)
-		}
+	err := dnsforward.ValidateUpstreams(c.Upstreams)
+	if err != nil {
+		return fmt.Errorf("invalid upstream servers: %s", err)
 	}
 
 	return nil

home/i18n.go

@@ -13,37 +13,39 @@ import (
 // internationalization
 // --------------------
 var allowedLanguages = map[string]bool{
-	"en":    true,
-	"ru":    true,
-	"vi":    true,
-	"es":    true,
-	"fr":    true,
-	"ja":    true,
-	"sv":    true,
-	"pt-br": true,
-	"zh-tw": true,
+	"be":    true,
 	"bg":    true,
-	"zh-cn": true,
 	"cs":    true,
 	"da":    true,
 	"de":    true,
-	"id":    true,
-	"it":    true,
-	"ko":    true,
-	"no":    true,
-	"nl":    true,
-	"pl":    true,
-	"pt-pt": true,
-	"sk":    true,
-	"sl":    true,
-	"tr":    true,
-	"sr-cs": true,
+	"en":    true,
+	"es":    true,
+	"fa":    true,
+	"fr":    true,
 	"hr":    true,
 	"hu":    true,
-	"fa":    true,
-	"th":    true,
+	"id":    true,
+	"it":    true,
+	"ja":    true,
+	"ko":    true,
+	"nl":    true,
+	"no":    true,
+	"pl":    true,
+	"pt-br": true,
+	"pt-pt": true,
 	"ro":    true,
+	"ru":    true,
 	"si-lk": true,
+	"sk":    true,
+	"sl":    true,
+	"sr-cs": true,
+	"sv":    true,
+	"th":    true,
+	"tr":    true,
+	"vi":    true,
+	"zh-cn": true,
+	"zh-hk": true,
+	"zh-tw": true,
 }
 
 func isLanguageAllowed(language string) bool {