* 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/examples/MyCustomOutput.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * Class MyCustomOutput
+ *
+ * @filesource   MyCustomOutput.php
+ * @created      24.12.2017
+ * @package      chillerlan\QRCodeExamples
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2017 Smiley
+ * @license      MIT
+ */
+
+namespace chillerlan\QRCodeExamples;
+
+use chillerlan\QRCode\Output\QROutputAbstract;
+
+class MyCustomOutput extends QROutputAbstract{
+
+	protected function setModuleValues():void{
+		// TODO: Implement setModuleValues() method.
+	}
+
+	public function dump(string $file = null){
+
+		$output = '';
+
+		for($row = 0; $row < $this->moduleCount; $row++){
+			for($col = 0; $col < $this->moduleCount; $col++){
+				$output .= (int)$this->matrix->check($col, $row);
+			}
+		}
+
+		return $output;
+	}
+
+}