square/okhttp — pull request #817 by swankjesse (2014-05-10 12:27:16+00:00)
Title: Rename Request.Body to RequestBody and Response.Body to ResponseBody.

Compelling alternative is ReadableBody and WritableBody, or BodySource and BodySink.
Which in theory permits reuse for serverside body makers. But I don't like those names
as much.