* switch to composer for qrcode and otp dependencies

* move most OTP-related stuff into userhelper
* remove old phpqrcode and otphp libraries

vendor/chillerlan/php-qrcode/tests/QRTestAbstract.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * Class QRTestAbstract
+ *
+ * @filesource   QRTestAbstract.php
+ * @created      17.11.2017
+ * @package      chillerlan\QRCodeTest
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2017 Smiley
+ * @license      MIT
+ */
+
+namespace chillerlan\QRCodeTest;
+
+use PHPUnit\Framework\TestCase;
+use ReflectionClass, ReflectionMethod, ReflectionProperty;
+
+abstract class QRTestAbstract extends TestCase{
+
+	/**
+	 * @var \ReflectionClass
+	 */
+	protected $reflection;
+
+	/**
+	 * @var string
+	 */
+	protected $FQCN;
+
+	protected function setUp():void{
+		$this->reflection = new ReflectionClass($this->FQCN);
+	}
+
+	/**
+	 * @param string $method
+	 *
+	 * @return \ReflectionMethod
+	 */
+	protected function getMethod(string $method):ReflectionMethod {
+		$method = $this->reflection->getMethod($method);
+		$method->setAccessible(true);
+
+		return $method;
+	}
+
+	/**
+	 * @param string $property
+	 *
+	 * @return \ReflectionProperty
+	 */
+	protected function getProperty(string $property):ReflectionProperty{
+		$property = $this->reflection->getProperty($property);
+		$property->setAccessible(true);
+
+		return $property;
+	}
+
+	/**
+	 * @param        $object
+	 * @param string $property
+	 * @param        $value
+	 *
+	 * @return void
+	 */
+	protected function setProperty($object, string $property, $value){
+		$property = $this->getProperty($property);
+		$property->setAccessible(true);
+		$property->setValue($object, $value);
+	}
+
+
+}