Fixed license for drivers

Close #3006

build/windows/dist/drivers/arduino.inf

@@ -1,4 +1,31 @@
-; Copyright 2012 Blacklabel Development, Inc.
+;
+; Copyright 2015 Arduino LLC (http://www.arduino.cc/)
+;
+; Developed by Zach Eveland, Blacklabel Development, Inc.
+;
+; Arduino is free software; you can redistribute it and/or modify
+; it under the terms of the GNU General Public License as published by
+; the Free Software Foundation; either version 2 of the License, or
+; (at your option) any later version.
+;
+; This program 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 General Public License for more details.
+;
+; You should have received a copy of the GNU General Public License
+; along with this program; if not, write to the Free Software
+; Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+;
+; As a special exception, you may use this file as part of a free software
+; library without restriction.  Specifically, if other files instantiate
+; templates or use macros or inline functions from this file, or you compile
+; this file and link it with other files to produce an executable, this
+; file does not by itself cause the resulting executable to be covered by
+; the GNU General Public License.  This exception does not however
+; invalidate any other reasons why the executable file might be covered by
+; the GNU General Public License.
+;
 
 [Strings]
 DriverPackageDisplayName="Arduino USB Driver"