Update LICENSE file

LICENSE

@@ -1,6 +1,7 @@
 Software License Agreement (BSD License)
 
- Copyright (c) 2008-2015, Willow Garage, Inc.
+ Copyright (c) 2008-2014, Willow Garage, Inc.
+ Copyright (c) 2014-2015, Open Source Robotics Foundation
  All rights reserved.
 
  Redistribution and use in source and binary forms, with or without
@@ -13,7 +14,7 @@ Software License Agreement (BSD License)
     copyright notice, this list of conditions and the following
     disclaimer in the documentation and/or other materials provided
     with the distribution.
-  * Neither the name of Willow Garage, Inc. nor the names of its
+  * Neither the name of Open Source Robotics Foundation nor the names of its
     contributors may be used to endorse or promote products derived
     from this software without specific prior written permission.