[9] Review request: 8173080: Add licenses for non-distributed third-party source code in repo

[Kevin Rushforth]

Dave,

Please review the following fix to add missing .md license files for 
non-distributed third-party source code in our repo:

https://bugs.openjdk.java.net/browse/JDK-8173080
http://cr.openjdk.java.net/~kcr/8173080/webrev.00/

-- Kevin