akka/akka — pull request #16545 by guersam (2014-12-15 17:48:52+00:00)
Title: WIP #16543 add directives to add or remove trailing slash

Added two directives as said in #16543.

Need to discuss:
- The location of the directives: `PathDirectives` or `RouteDirectives`?
- Returning status code to redirect: 301, 302 or make it configurable?
- More tests
- More documentation
- etc.