Support use ';' as separator of "Cache-Control"
Merge pull request #347 from Ponyets/Cache-Control_separator

Support use ';' as separator of "Cache-Control"
backfill base test of simple http/2 headers frame
Merge pull request #355 from adriancole/http2-test

backfill base test of simple http/2 headers frame
update http/2 implementation to draft 6
Merge pull request #356 from adriancole/draft6-headers

Update to http/2 draft 6 CONTINUATION after HEADERS frame
issue #364: spdy should set content-length when it is known.
Merge pull request #365 from adriancole/spdy-post-content-length

set content-length on spdy post
Adjust hpack impl to be compliant with draft 3 examples, and enable http2 in MWS.
Merge pull request #366 from adriancole/fix-hpack

MockWebServer can now read headers sent by http2 clients
Support PATCH requests in MockWebServer
Merge pull request #368 from nacx/mock-patch

Support PATCH requests in MockWebServer
Buffered Stream wrapper should be taken place before SpdyConnection build.
extract a method
format
Merge pull request #374 from lingmingyb/wrapper

Buffered Stream wrapper should be taken place before SpdyConnection buil...
getMtu issue
Merge pull request #376 from lingmingyb/mtu

getMtu issue
Define async APIs and switch Job to use HttpEngine directly.

Using HttpEngine directly introduces some duplicated code with
HttpURLConnection. It also breaks the response cache. I think
this is the best route going forward; and eventually we could
invert this relationship to have HttpURLConnection depending on
Job directly rather than vice versa.
Merge pull request #377 from square/jwilson/async_apis

Define async APIs and switch Job to use HttpEngine directly.