These files come from DITA-OT1.5

The DITA Open Toolkit is licensed for use, at the user's election, under the 
Common Public License v1.0 or the Apache Software Foundation License v2.0.  
If, at the time of use, the Project Management Committee has designated another 
version of these licenses or another license as being applicable to the 
DITA Open Toolkit, user may select to have its subsequent use of the 
DITA Open Toolkit governed by such other designated license.  
A copy of the Common Public License 1.0 is 
available at 
http://opensource.org/licenses/cpl.php  
A copy of the Apache Software Foundation License 2.0 is available at 
http://opensource.org/licenses/apache2.0.php
This statement must be included in any copies of DITA Open Toolkit code.
