OAK-2278 - Same Lucene index to support both property restrictions and fulltext constraints

Preparing ground to enable usage of LucenePropertyIndex for fulltext queries!

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1640728 13f79535-47bb-0310-9956-ffa450edef68
OAK-2278 - Same Lucene index to support both property restrictions and fulltext constraints

Configure Lucene in compatibility mode

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1640729 13f79535-47bb-0310-9956-ffa450edef68