Update locale (#4495)

* Fix translation bug in edit / add package
* Update hestiacp.pot
* Update locales
* Use .mo instead .po files

web/add/package/index.php

@@ -75,7 +75,7 @@ if (!empty($_POST["ok"])) {
 		$errors[] = _("Backups");
 	}
 	if (!isset($_POST["v_backups_incremental"])) {
-		$errors[] = _("v_backups_incremental");
+		$errors[] = _("Incremental Backups");
 	}
 	if (!isset($_POST["v_disk_quota"])) {
 		$errors[] = _("Quota");

web/edit/package/index.php

@@ -192,7 +192,7 @@ if (!empty($_POST["save"])) {
 		$errors[] = _("Backups");
 	}
 	if (!isset($_POST["v_backups_incremental"])) {
-		$errors[] = _("v_backups_incremental");
+		$errors[] = _("Incremental Backups");
 	}
 	if (!isset($_POST["v_disk_quota"])) {
 		$errors[] = _("Quota");