ServiceStack/ServiceStack — pull request #738 by gregpakes (2013-06-22 13:36:40+00:00)
Title: Cody tidy up from pull request #737.  Removed duplicate code and consolidated HTML Redirect logic within the base AuthenticateAttribute

Tidied up the code from pull request #737. Removed duplicate code in
the 5 attributes that dealt with the HTML Redirects.