Merge pull request #3 from shouze/hotfix/no-more-403

Setting the scope of rezzza.security.firewalls to 'prototype' to avoid 403 errors because of request time wich is not dynamically updated.

DependencyInjection/RezzzaSecurityExtension.php

@@ -40,6 +40,7 @@ public function load(array $configs, ContainerBuilder $container)
             $definition->addMethodCall('set', array('firewall.replay_protection', $data['replay_protection']));
             $definition->addMethodCall('set', array('firewall.algorithm', $data['algorithm']));
             $definition->addMethodCall('set', array('firewall.secret', $data['secret']));
+            $definition->setScope('prototype');
 
             $container->setDefinition($serviceName, $definition);
         }