Added vendors as git submodules.

.gitmodules

@@ -0,0 +1,12 @@
+[submodule "vendor/Silex"]
+	path = vendor/Silex
+	url = https://github.com/fabpot/Silex.git
+[submodule "vendor/symfony"]
+	path = vendor/symfony
+	url = https://github.com/symfony/symfony.git
+[submodule "vendor/Twig"]
+	path = vendor/Twig
+	url = https://github.com/fabpot/Twig.git
+[submodule "vendor/swiftmailer"]
+	path = vendor/swiftmailer
+	url = https://github.com/swiftmailer/swiftmailer.git

src/bootstrap.php

@@ -6,7 +6,7 @@
  * (c) Saša Stamenković <umpirsky@gmail.com>
  */
 
-include __DIR__ . '/../vendor/silex/autoload.php'; 
+include __DIR__ . '/../vendor/Silex/autoload.php'; 
 
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\HttpException;
@@ -17,7 +17,7 @@
 // Register extensions
 $app->register(new Silex\Extension\TwigExtension(), array(
     'twig.path' => __DIR__ . '/../views',
-    'twig.class_path' => __DIR__ . '/../vendor/twig/lib',
+    'twig.class_path' => __DIR__ . '/../vendor/Twig/lib',
 ));
 
 $app->register(new Silex\Extension\UrlGeneratorExtension());
@@ -103,4 +103,4 @@ function (\Exception $e) use ($app) {
 
 
 // Run
-$app->run();
+$app->run();