prepare release 1.14 (#2495)

* removed un-maintained docker file
* update all packages
* fix deprecations
* only show one line descriptions for customer, projects and activities
* allow to show export column in timesheet listing

tests/API/NotFoundExceptionTest.php

@@ -0,0 +1,26 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Tests\API;
+
+use App\API\NotFoundException;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers \App\API\NotFoundException
+ */
+class NotFoundExceptionTest extends TestCase
+{
+    public function testConstructor()
+    {
+        $sut = new NotFoundException();
+        self::assertEquals('Not found', $sut->getMessage());
+        self::assertEquals(404, $sut->getCode());
+    }
+}