Add missing license headers

src/Composer/Repository/Vcs/GitDriver.php

@@ -1,5 +1,15 @@
 <?php
 
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Composer\Repository\Vcs;
 
 use Composer\Json\JsonFile;

src/Composer/Repository/Vcs/GitHubDriver.php

@@ -1,5 +1,15 @@
 <?php
 
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Composer\Repository\Vcs;
 
 use Composer\Downloader\TransportException;

src/Composer/Repository/Vcs/SvnDriver.php

@@ -1,5 +1,15 @@
 <?php
 
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Composer\Repository\Vcs;
 
 use Composer\Json\JsonFile;

src/Composer/Repository/Vcs/VcsDriverInterface.php

@@ -1,5 +1,15 @@
 <?php
 
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Composer\Repository\Vcs;
 
 /**

src/Composer/Repository/VcsRepository.php

@@ -1,5 +1,15 @@
 <?php
 
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Composer\Repository;
 
 use Composer\Downloader\TransportException;

src/Composer/Util/Svn.php

@@ -1,4 +1,5 @@
 <?php
+
 /*
  * This file is part of Composer.
  *