Kind of messed up impl. Still leaking memory.
Working example.
Faster. Less garbage generated. No memory leaks.

There are about a billion things comments that need cleaned out of the source.
Cleaned up a bit.
Refinement of ScopedAttributes constructors.
removed debug message from netty
Add run method to the netty server.
Merge branch 'develop' of https://github.com/http4s/http4s into develop
merge of topic/nonglobalattributes

Should be clean, could probably use more tests.