Oops.
Remove shapeless dep and move helpers to Responder class instead of package object.
fixed some response header bugs.
Stylistic changes

You find a new scala method every day it seems...
Enable ScalaMeter for testing.
Alphabetize dependencies in a fit of OCD.
Any is not a method!
Safe implies idempotent.
Simplify method registry.
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	core/core.sbt
Merge branch 'develop' into topic/scalaz-task

Conflicts:
	core/core.sbt
	core/src/main/scala/org/http4s/Method.scala
	core/src/main/scala/org/http4s/Responder.scala
	project/build.scala