HTTP/2 Spec Compliance

[joakime]

As revealed in h2spec v2.1.1 testrun.
Finished in 71.8993 seconds
146 tests, 108 passed, 0 skipped, 38 failed

See output: h2spec_jetty-94x-HEAD.log

The above results were from current jetty-9.4.x HEAD (at commit 6b33587)
Using examples/embedded/src/main/java/org/eclipse/jetty/embedded/Http2Server.java
on Open JDK 9.0.4

server command line:

$ cd examples/embedded
$ mvn exec:java -Dexec.mainClass=org.eclipse.jetty.embedded.Http2Server

h2spec command line:

$ ./h2spec --insecure --strict --host=localhost --port=8443 --tls --verbose > h2spec_localhost.log

[sbordet]

https://github.com/summerwind/h2spec/