propegate case class values properly. fixes #224
Support X-Forwarded-Proto and X-Forwarded-Port

When behind proxies, sometimes the proxies terminates SSL
connections. When we are generating links, we want to be able to
create a sane link using the same port and schemes as the reverse
proxy wants, meaning we need to look at X-Forwarded-Proto and maybe
X-Forwarded-Port.

This commit adds both headers as extractors.
Merge pull request #235 from hamnis/hostport

Support X-Forwarded-Proto and X-Forwarded-Port
cycle and async plans should push websocket frames through the pipeline
Merge pull request #237 from unfiltered/ws_order

cycle and async plans should push websocket frames through the pipeline
missing import
provide an alternative name for squigly
use response fn andThen in some context
Merge pull request #241 from unfiltered/resp_fn_and_then

Resp fn and then
default to scala 2.11.2 for build, console, etc
use sbt 0.13.5
bump scalatest, break build
bump scalatest version; satisfy new api; reinstate module
closer
scalatest module nearing readiness