License source files as GPL-3.0-or-later

Add SPDX license headers and mark source files as GPL-3.0-or-later to
preserve the option to relicense under later GPL versions.

Author: lippserd

application/clicommands/MigrateCommand.php

@@ -1,6 +1,7 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+// SPDX-FileCopyrightText: 2023 Icinga GmbH <https://icinga.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 namespace Icinga\Module\Icingadb\Clicommands;
 

application/controllers/CommandTransportController.php

@@ -1,6 +1,7 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+// SPDX-FileCopyrightText: 2021 Icinga GmbH <https://icinga.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 namespace Icinga\Module\Icingadb\Controllers;
 

application/controllers/CommentController.php

@@ -1,6 +1,7 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+// SPDX-FileCopyrightText: 2019 Icinga GmbH <https://icinga.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 namespace Icinga\Module\Icingadb\Controllers;
 

application/controllers/CommentsController.php

@@ -1,6 +1,7 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+// SPDX-FileCopyrightText: 2019 Icinga GmbH <https://icinga.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 namespace Icinga\Module\Icingadb\Controllers;
 

application/controllers/ConfigController.php

@@ -1,6 +1,7 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+// SPDX-FileCopyrightText: 2019 Icinga GmbH <https://icinga.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 namespace Icinga\Module\Icingadb\Controllers;
 

application/controllers/ContactController.php

@@ -1,6 +1,7 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+// SPDX-FileCopyrightText: 2019 Icinga GmbH <https://icinga.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 namespace Icinga\Module\Icingadb\Controllers;
 

application/controllers/ContactgroupController.php

@@ -1,6 +1,7 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+// SPDX-FileCopyrightText: 2019 Icinga GmbH <https://icinga.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 namespace Icinga\Module\Icingadb\Controllers;
 

application/controllers/ContactgroupsController.php

@@ -1,6 +1,7 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+// SPDX-FileCopyrightText: 2019 Icinga GmbH <https://icinga.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 namespace Icinga\Module\Icingadb\Controllers;
 

application/controllers/ContactsController.php

@@ -1,6 +1,7 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+// SPDX-FileCopyrightText: 2019 Icinga GmbH <https://icinga.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 namespace Icinga\Module\Icingadb\Controllers;
 

application/controllers/DowntimeController.php

@@ -1,6 +1,7 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+// SPDX-FileCopyrightText: 2019 Icinga GmbH <https://icinga.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 namespace Icinga\Module\Icingadb\Controllers;