* initial mapping out of stripe payment intents
* rename checkout processing statuses to be clearer
* Add new status and refactor checkout complete behaviour.
* Make sure payment result data is included in checkout processing response
* add payment intent handling
Still testing
* make sure promise is returned
* include site url with endpoint
* modify setComplete status to optionally receive redirectUrl for changing in state at the same time as setting status
* fix typo in property retrieval
* add error handling for after checkout processing event
* add notices area for payment methods
* implement error handling for stripe intents
* hook into stripe error processing and include error in payment response
* clear notices so they don’t show in block and merge payment details
* add notice handling to payment context
* modify error processing in checkout processor
* handle errors with fallback in checkout state context
* hook into after processing for stripe cc error handling
* set checkout to idle status if before processing emitters result in error
* Add emit response type-defs and normalize expectations for observer responses
* improve doc block
* switch checkoutIsComplete check to checkoutAfterProcessing for payment complete status change
* remove unneeded event emitters and consolidate some logic
* fix idle status set logic
Albert Juhé Lluveras
Darren Ethier