* PW-489: Added Initiate call before placing the order

* PW-489: Construct sync call request on Magento instead of on the Util Library, add encryptor on pos api key

* PW-489: Removed logger/comments

* PW-458: Implemented status call every 5 seconds, added timeout on Initiate call

* PW-458: Fixed terminalAPI guest checkout, added configuration for pos_timeout, return immediately if response from Initiate call

* PW-458: Do not show pos_timeout in config

* PW-458: Retrieve quoteid from the backend, added PHP library version requirement, using settimeout instead of setinterval, removed pos_timeout from adyen_pos_cloud xml, renamed Initiate button label back to Place Order, replaced the .done().fail() flow with .always() on the frontend