Updating readme.
Adding lucene v 3.0.3 as a vendor dependency for completeness and source access.
git repo was stripped.
Adding lucene in action data directory. I presume this will be necessary at some point.
Ignoring a local copy of lia2e and index directories.
Adding the chapter 1 data from the dist.
Finally, checking in chapter 1 Meet Lucene Indexer and Searcher.