merged branch stewe/2.0 (PR #2109)

Commits
-------

cd40ed4 Added missing method to HTTP Digest entry point

Discussion
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Added missing method to HTTP Digest entry point

Re-submitting to 2.0 branch as it is a bugfix, thanks!

src/Symfony/Component/Security/Http/EntryPoint/DigestAuthenticationEntryPoint.php

@@ -61,4 +61,14 @@ class DigestAuthenticationEntryPoint implements AuthenticationEntryPointInterfac
 
         return $response;
     }
+
+    public function getKey()
+    {
+        return $this->key;
+    }
+
+    public function getRealmName()
+    {
+        return $this->realmName;
+    }
 }