change Future[Any] return values to Future[Unit]
Merge branch 'develop' of https://github.com/http4s/http4s into develop
Change signatures and remove warnings
OCD dependency sort'n'purge.
Prepare for migration to Specs2.
Fix Specs2 dependency.
Middleware to limit request body size.
WIP: maxBodySize(HttpService).applyOrElse compiles.