OAK-2352 - Release oak-run as part of Oak release

Enable deployment of released oak-run via Maven Deploy process

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1645459 13f79535-47bb-0310-9956-ffa450edef68
OAK-301 : oak docu

Take a backup of existing Lucene config. This would be referred to in updated config to guide users for pre 1.0.9 config

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1645463 13f79535-47bb-0310-9956-ffa450edef68
OAK-301 : oak docu

Update Lucene documentation with details about indexRules, analyzers and aggregators

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1645464 13f79535-47bb-0310-9956-ffa450edef68