[tests] remove fragile functional tests.
Merge pull request #167 from formapro-forks/remove-fragile-func-tests

[tests] remove fragile functional tests.
[paypal ec][api] simplify api methods, constructor.
Merge pull request #168 from formapro-forks/paypal-ec-hide-buzz-inside-api

[paypal ec][api] simplify api methods, constructor.
[paypal-ec] fix tests.
[doc] fix
[doc] fix
Update get-it-started.md
Release 0.10.0
master is 0.11-dev
[doc] fix broken get it started
[doc] fix broken get it started(cherry picked from commit a43f2033fbfa39ba16fda52dfe8c6b1f7ffa8b90)
Merge branch '0.10'
[doc] supported payments fix link
[request] remove post fix Request, introduce Reply idea, should repalce InteractiveRequest.
doc change
fix tests.
remove usages of "interactive"....
fix tests.
fix tests, pass