N°7175 Replace combodo/tcpdf 6.4.4 by tecnickcom/tcpdf 6.4.4

The only difference was the presence of the DroidSansFallback font added in #49 / N°1947
We are keeping this font thanks to a custom Composer script to copy the corresponding files in the fonts dir (/lib/tecnickcom/tcpdf/fonts)

lib/tecnickcom/tcpdf/examples/lang/cym.php

@@ -0,0 +1,44 @@
+<?php
+//============================================================+
+// File name   : urd.php
+// Begin       : 2004-03-03
+// Last Update : 2010-10-26
+//
+// Description : Language module for TCPDF
+//               (contains translated texts)
+//               Welsh
+//
+// Author: Nicola Asuni
+//
+// (c) Copyright:
+//               Nicola Asuni
+//               Tecnick.com LTD
+//               www.tecnick.com
+//               info@tecnick.com
+//============================================================+
+
+/**
+ * TCPDF language file (contains translated texts).
+ * @package com.tecnick.tcpdf
+ * @brief TCPDF language file: Welsh
+ * @author Nicola Asuni
+ * @since 2004-03-03
+ */
+
+// Welsh
+
+global $l;
+$l = Array();
+
+// PAGE META DESCRIPTORS --------------------------------------
+
+$l['a_meta_charset'] = 'UTF-8';
+$l['a_meta_dir'] = 'ltr';
+$l['a_meta_language'] = 'cy';
+
+// TRANSLATIONS --------------------------------------
+$l['w_page'] = 'tudalen';
+
+//============================================================+
+// END OF FILE
+//============================================================+