AbstractException.php: fixed problem with htmlEntities() on link to 'Edit Form' and 'Edit FormElement'.

Makefile: remove unwanted files from compose/PhpSpreadsheet lib. Should not be included in QFQ package.

Makefile: add 'composer update' to target 'basic'

F4922 / Excel Import: moved Lib again - to get the autoloader running, we need the composer inside our extension - else we would need the one delivered by typo3, which will result in more effort to integrate in QFQ.

F4922 / Excel Import: remove PHPExcel, new PhpSpreadsheet. The lib is not part of QFQ Repo - to install locally, do: make Bootstrap

# Conflicts:
#	extension/qfq/qfq/Constants.php
#	extension/qfq/qfq/exceptions/AbstractException.php
#	extension/qfq/qfq/form/FormAction.php
#	extension/qfq/qfq/report/Report.php
#	extension/qfq/qfq/store/Config.php

Evaluate.php: if AutoCron.php is called via commandline, Evaluate.php had problems to interpret tenary operators. Fixed.