Changed service_container to router in UserDataSpan Twig extension

Actually, only router was used by retrieving it from the container. Now
injecting only what is necessary.

Signed-off-by: Gergely Polonkai <polesz@w00d5t0ck.info>

src/KekRozsak/SecurityBundle/Resources/config/services.xml

@@ -9,7 +9,7 @@
 			<tag name="kernel.event_listener" event="security.authentication.success" />
 		</service>
 		<service id="kek_rozsak_security.twig_extension.userdataspan" class="KekRozsak\SecurityBundle\Twig\UserDataSpanExtension">
-			<argument type="service" id="service_container" />
+			<argument type="service" id="router" />
 			<argument type="service" id="security.context" />
 			<tag name="twig.extension" />
 		</service>

src/KekRozsak/SecurityBundle/Twig/UserDataSpanExtension.php

@@ -3,18 +3,18 @@
 namespace KekRozsak\SecurityBundle\Twig;
 
 use Symfony\Component\Security\Core\SecurityContextInterface;
-use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Bundle\FrameworkBundle\Routing\Router;
 
 use KekRozsak\SecurityBundle\Entity\User;
 
 class UserDataSpanExtension extends \Twig_Extension
 {
 	protected $_securityContext;
-	protected $_serviceContainer;
+	protected $_router;
 
-	public function __construct(ContainerInterface $container, SecurityContextInterface $security)
+	public function __construct(Router $router, SecurityContextInterface $security)
 	{
-		$this->_serviceContainer = $container;
+		$this->_router = $router;
 		$this->_securityContext = $security;
 	}
 
@@ -30,7 +30,7 @@ class UserDataSpanExtension extends \Twig_Extension
 		if (!is_object($this->_securityContext->getToken()) || !is_object($this->_securityContext->getToken()->getUser()))
 			return '<span class="userdata-secret" title="|Felhasználó|A felhasználóink kiléte szigorúan bizalmas, csak a tagok számára elérhető.">[nem jelenhet meg]</span>';
 
-		return '<span class="userdata" rel="' . $this->_serviceContainer->get('router')->generate('KekRozsakSecurityBundle_ajaxUserdata', array('id' => $user->getId(), '_format' => 'html')) . '">' . $user->getDisplayName() . '</span>';
+		return '<span class="userdata" rel="' . $this->_router->generate('KekRozsakSecurityBundle_ajaxUserdata', array('id' => $user->getId(), '_format' => 'html')) . '"><a href="">' . $user->getDisplayName() . '</a></span>';
 	}
 
 	public function getName()