[8u] Review request: 8178275: Ensemble: Upgrade version of Lucene to 7.1.0

[Kevin Rushforth]

Hi Phil,

I request a review to backport JDK-8178275 to 8u-dev. The backport was 
straight-forward.

https://bugs.openjdk.java.net/browse/JDK-8178275
http://cr.openjdk.java.net/~kcr/8178275/8u/webrev.00/

Thanks.

-- Kevin