changed base license to point to OP

git-svn-id: svn+ssh://svn.pointclouds.org/pcl/trunk@5972 a9d63959-f2ad-4865-b262-bf0e56cfafb6

Author: rbrusu

LICENSE.txt

@@ -2,6 +2,7 @@ Software License Agreement (BSD License)
 
 Point Cloud Library (PCL) - www.pointclouds.org
 Copyright (c) 2009-2012, Willow Garage, Inc.
+Copyright (c) 2012-, Open Perception, Inc.
 Copyright (c) XXX, respective authors.
 
 All rights reserved.
@@ -16,7 +17,7 @@ are met:
    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 the copyright holder(s) nor the names of its
    contributors may be used to endorse or promote products derived
    from this software without specific prior written permission.