* Update phpcs to validate PSR2 rules

* Fix PSR2 phpcs errors with phpcbf

* Fix phpcs errors with phpcbf

* Fix PSR2 phpcs errors

* Reapply fix for boleto lastname key

* Fix Api folder

* Fix phpcs warning

* Fix phpcs warning

* Remove unused var

* Version bump 6.1.2

* Fix MagentoStandard phpcs warnings

* Part of fixing the code sniffer errors

* Part of fixing the code sniffer errors

* Fix Magento Marketplace codesniffing warnings

* Fix some code sniffer errors with phpcbf

* Autoformat PSR12

* Fix the path string with ::class

* Fix empty spaces warnings

* Fix Magento marketplace codesniffing warnings

* Fix Magento marketplace codesniffing warnings

* Set arguments defaults values at the end of the argument list

* Code sniffer fixes

* Fix Magento marketplace codesniffing warnings

* remove empty return statement

* Fix Static method cannot be intercepted error

* Fix eror: Possible useless method overriding detected

* Remove private const since it is only supported since php 7.1

* Fix wrong class paths

* Fix sonarcloud bugs

table th element should have scope attribute when possible

* Fix codesmells

* Fix unit test

* Remove ISSUE_TEMPLATE.md

* fix wrong function call for formatStreet()

* Add removed _prepareLayout() function back

* Update Model/Cron.php
Co-authored-by: Ángel Campos <angel.campos@adyen.com>

* Update Model/Cron.php
Co-authored-by: Ángel Campos <angel.campos@adyen.com>

* Fix request's paymentMethod field
Co-authored-by: alexandros <alexandros.moraitis@adyen.com>
Co-authored-by: Ángel Campos <angel.campos@adyen.com>

Add POS instalments
Refactor instalments on the frontend (credit cards, pos cloud)
If no terminal is available show message

fix length field holder name, result URl fix for logger, added some license texts, cleanup code and remove die() statement in a catch statement

oneclick implemented billing agreement disable call to adyen, creditcardtype now set for CreditCard and Oneclick payment method, removed cron controller, added info and error logfile for info and error statements, fix save creditcard checkbox function

Implemented OneClick payment method, seperate log file for notfiications, implemented recurring_contract notification saved into billing agreements

change of lib so setStatus is now setEnvironment and uses Environment class to set correct environment