aspnet/HttpAbstractions — pull request #75 by Tratcher (2014-06-18 22:52:35+00:00)
Title: Remove CallCancelled property. Fix Owin query string. Add Owin user.

Remove CallCancelled property, it was replaced by HttpContext.OnRequestAborted.
Fix Owin query string to add/remove '?'.
Map Owin user and CancellationToken.
Add tests.