Update onlogin package and fix config issues

Author: Kn4ppster

composer.json

@@ -13,7 +13,7 @@
     "require": {
         "php": ">=5.4.0",
         "illuminate/support": "4.2.*",
-        "onelogin/php-saml": "2.7.0"
+        "onelogin/php-saml": "2.9.0"
     },
     "autoload": {
         "classmap": [

src/Kn4ppster/Saml2/Saml2ServiceProvider.php

@@ -23,7 +23,7 @@ class Saml2ServiceProvider extends ServiceProvider
      */
     public function boot()
     {
-        $this->package('kn4ppster/saml2');
+        $this->package('kn4ppster/laravel4-saml2');
 
         include __DIR__ . '/../../routes.php';
     }

src/controllers/Saml2Controller.php

@@ -55,7 +55,7 @@ public function acs()
      */
     public function sls()
     {
-        $errors = Saml2Auth::sls(Config::get('laravel4-saml2::settings.retrieveParametersFromServer'));
+        $errors = Saml2Auth::sls(Config::get('laravel4-saml2::saml_settings.retrieveParametersFromServer'));
         if (!empty($errors)) {
             Log::error("Could not log out", $errors);
             throw new \Exception("Could not log out");