Better text for add user and add client buttons.

interface/web/admin/lib/lang/en_users_list.lng

@@ -4,4 +4,5 @@ $wb["username_txt"] = 'Username';
 $wb["name_txt"] = 'Name';
 $wb["vorname_txt"] = 'Forename';
 $wb["ort_txt"] = 'city';
+$wb["add_new_record_txt"] = 'Add new user';
 ?>
\ No newline at end of file

interface/web/client/lib/lang/en_clients_list.lng

@@ -5,4 +5,5 @@ $wb["company_name_txt"] = 'Company name';
 $wb["contact_name_txt"] = 'Contact name';
 $wb["city_txt"] = 'City';
 $wb["country_txt"] = 'Country';
+$wb["add_new_record_txt"] = 'Add new client';
 ?>
\ No newline at end of file