Added license page

Author: Javier de Silóniz Sandino

license.md

@@ -1,6 +1,8 @@
 ---
-layout: page
 title: Scala License
+layout: inner-page-no-masthead
+permalink: /license/
+includeTOC: true
 ---
 
 Scala is licensed under the [BSD 3-Clause License](http://opensource.org/licenses/BSD-3-Clause).