Updating the license to BSD-3 template on github

Author: miykael

LICENSE

@@ -1,4 +1,6 @@
-Copyright (c) 2017,
+BSD 3-Clause License
+
+Copyright (c) 2017, nipype_tutorial
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -11,7 +13,7 @@ modification, are permitted provided that the following conditions are met:
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
 
-* Neither the name of nipype_tutorial nor the names of its
+* Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.