Merge pull request #7 from DotNetOpenAuth/develop

Develop udpate
remove Authorize attribute

Having the authorise attribute on the home controller prevents xrds requests from succeeding.
Merge pull request #8 from pete-kirkham/patch-1

remove Authorize attribute
Fix approval denied return so it's valid

Sample will fail since PrepareResponse() will error without setting the required error field when the user denies access.
Merge pull request #19 from DavidChristiansen/develop

Added build status indicator
Merge pull request #14 from DotNetOpenAuth/develop

Merge in Develop
Merge pull request #15 from trpalmer/master

Fix approval denied return so it's valid
Fixing build post faulty PR acceptance.  MVC Upgrade