Added Single Logout to Lightbulb - SAML 2.0 in PHP

I just finished adding single logout to the ‘Lightbulb’ OpenSSO SAML 2.0 PHP implementation. I’ll take this opportunity to reiterate: THIS IS BY NO MEANS PRODUCTION CODE. There are probably bugs, there are certainly shortcuts. This is development out in the open.

Please do feel free to pick this up, play with it, suggest improvements - even contribute code. As I mentioned before, there is a bit of process to this, but I think it’s more than worth it.

The next step for me now is to write a how-to on getting an IdP up to play with…