ZF-3009: Support version 2.3 of Lucene's index file format

Description

Add support for version 2.3 of Lucene's index file format

Comments

YaHoo The 1.5.2 version isn't support current version of Lucene.

Initial Lucene 2.3 support commit is changeset 10110.

Done with revision 10235 (documentation commit).

Updating for the 1.6.0 release.