Merge pull request #27 from stevematney/master

ReturnUrl
added Url to the default login screen.  Closes GH-28, Closes GH-29
Moved the strategy logging to types so we can filter them easier.
Removing buildsupport and adding docs project
Fixing reference for WebApi dependencies
Added indirect dependency reference for System.Net.Http
Moving down the line...
cleaned out old Bottles detritus
skeleton of the docs
fixing a test that changed in OWIN behavior from fubumvc 1.3
Adding an opt-in policy for redirecting if we already have a Principal logged in.