* PW-1190 add magento info into request

* PW-1190 add unit tests and fix current ones. Add codesniffer and magento/magento-coding-standard to easy validate code within the repo. Add paypal reference as we have a depencency to paypal module as we need it for billing agreements.

* [WIP] Feature/pw 1190 travis (#606)

* add travis file

* add credentials encrypted will only work for local branches

* fix commands

* add ruleset

* update travis to execute all plugin code

* remove params as it is declared into the ruleset. and update version codesniffer

* only fail and show errors not warnings

* added arguments p and n for better visibility and ignoring warning in ruleset xml

* use relative path to fix local check

* Fix Adyen\DataTest

This one is a bit more complex. DataTest depends on some external classes from Magento, so I set up a config and a bootstrap files for testing. While I was at this, I also made the dependencies a bit more strict.

* Update php requirement to match with Magento 2.2.8

* PW-390 Added Google Pay skeleton/configuration

* PW-390 Added Google Pay method on frontend + authorizationdatabuilder, config provider/logo

* PW-390 Save BillingAgreements for googlepay

* PW-390 Save vault token for GooglePay, fix button issue on css, fix isavailable promise

* remove comments

* Set token invisible for shopper if payment method is Google Pay

* split formatAmount into formatAmount and decimalNumbers

* PW-390 use only one merchant identifier for test/live, reformat comment in configuration

* PW-179: Integrate Apple Pay

* PW-179: Integrate Apple Pay

* PW-179: Integrate Apple Pay

* PW-179: Added ApplePay logo

* PW-179: Fixed ApplePay button and fixed the border of the payment methods by removing the hidden dfvalue input field

* PW-179: Removed commented statements

* PW-179 cleanup code, use dynamic data for currency, language. Get domain name from store and add debugging logging

* use same template as cc because it is a card payment

* Remove duplicate promise, remove unused method and fix label description

* allow merchant validation as well for quest users

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

added info blocks for HPP and Cc, fix title for adyen cc in frontend, added support for 3D secure creditcard payments, fixes some notifications handler, pspreference set on additionalData by notification so info blocks can show link to pspreference on adyen side