Initial directory structure.

git-svn-id: file:///Users/nfiedler/Downloads/jrgrep.svn/trunk@1 8b146a24-0479-4c63-b174-e0a3c6d0b523
Adding latest snapshot of JRGrep source code.

git-svn-id: file:///Users/nfiedler/Downloads/jrgrep.svn/trunk@2 8b146a24-0479-4c63-b174-e0a3c6d0b523
Convert README file to Markdown format