updated license

lib/single-file/single-file-core.js

@@ -4,18 +4,22 @@
  * 
  * This file is part of SingleFile.
  *
- *   SingleFile is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU Lesser General Public License as published by
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   SingleFile is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU Lesser General Public License for more details.
+ *   The code in this file is free software: you can redistribute it and/or 
+ *   modify it under the terms of the GNU Affero General Public License 
+ *   (GNU AGPL) as published by the Free Software Foundation, either version 3
+ *   of the License, or (at your option) any later version.
+ * 
+ *   The code in this file is distributed in the hope that it will be useful, 
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero 
+ *   General Public License for more details.
  *
- *   You should have received a copy of the GNU Lesser General Public License
- *   along with SingleFile.  If not, see <http://www.gnu.org/licenses/>.
+ *   As additional permission under GNU AGPL version 3 section 7, you may 
+ *   distribute UNMODIFIED VERSIONS OF THIS file without the copy of the GNU 
+ *   AGPL normally required by section 4, provided you include this license 
+ *   notice and a URL through which recipients can access the Corresponding 
+ *   Source.
+ * 
  */
 
 /* global CSSRule */