Merge branch 'hotfix/4.5.3'
removed old php-integration module
updated php-integration to 2.2.3
updated sveawebpay_config.php ZenCartSveaConfigTest and Prod getEndPoint() to include ADMIN_TYPE endpoint
updated sveawebpay_config.php ZenCartSveaConfigTest and Prod getSecret, getMerchantId to use ConfigurationProvider type constants
updated sveaAjaxGetAddresses()
updated sveawebpay_config.php ZenCartSveaConfigBase to use ConfigurationProvider type constants
bumped version to 4.5.4
removed unneeded toupper() calls
crediting an order handles non-delivered orders correctly (igetInvoice returns false if no invoice found)
Merge branch 'WEB-763' into hotfix/4.5.4
updated php integration package to 2.2.4
Order status change comments fixed for invoice payment method.
Order status change comments fixed for payment plan method.
Order status change comments fixed for credit card method.
Order status change comments fixed for direct bank method.
Merge branch 'WEB-764' into hotfix/4.5.4
Fixed broken test for existance of Svea order statuses in table order_status.
Merge branch 'WEB-765' into hotfix/4.5.4
fixed outdated module version