DERBY-590: Prevent Derby from using an earlier version of Lucene to read an index created by a later version of Lucene; commit derby-590-21-aa-noTimeTravel.diff.

git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1585774 13f79535-47bb-0310-9956-ffa450edef68