Add UNL_Auth and SimpleCAS packages to lib

lib/downloads/Net_URL2-0.3.1.tgz

lib/downloads/SimpleCAS-0.5.0.tgz

lib/downloads/UNL_Auth-0.4.0.tgz

lib/php/HTTP/Request2.php

lib/php/HTTP/Request2/Adapter.php

lib/php/HTTP/Request2/Adapter/Curl.php

lib/php/HTTP/Request2/Adapter/Mock.php

lib/php/HTTP/Request2/Adapter/Socket.php

lib/php/HTTP/Request2/CookieJar.php

lib/php/HTTP/Request2/Exception.php

lib/php/HTTP/Request2/MultipartBody.php

lib/php/HTTP/Request2/Observer/Log.php

lib/php/HTTP/Request2/Response.php

lib/php/Net/URL2.php

lib/php/SimpleCAS.php

lib/php/SimpleCAS/Autoload.php

lib/php/SimpleCAS/Protocol.php

lib/php/SimpleCAS/Protocol/Version1.php

lib/php/SimpleCAS/Protocol/Version2.php

lib/php/SimpleCAS/Protocol/Version2/ValidationResponse.php