CAS and SAML authentication
Added TRACE output to the SAML and CAS callback
Using stuart's cas-sfu repo while waiting for the PR to go trough.
External auth follow-up.
Merge branch 'casauthentication' of git://github.com/simong/Hilary into casauthentication
Fixed build issues with cas and saml2
Merge pull request #371 from nicolaasmatthijs/casauthenticationbuild

Fixed build issues with cas and saml2