[request] remove post fix Request, introduce Reply idea, should repalce InteractiveRequest.
doc change
fix tests.
remove usages of "interactive"....
fix tests.
fix tests, pass
[klarna] remove Request post fix.
[payex] remove usages of Request postfix
[payex] remove usages of Request postfix
[stripe] remove usages of Request postfix.
[paypal ec] remove usage of Request postfix.
\wRequest\( fix.
update UPGRADE.md
Merge pull request #169 from formapro-forks/reply-instead-of-interactive-request

[request] remove post fix Request, introduce Reply idea, should replace InteractiveRequest