add some content to the readme

fix bug with markup and update the link to book

update readme

close the context after the program terminates

add new tweet handler without a unit test

bring junit version in line with other projects

Merge branch 'master' of https://github.com/shekharvarshney/book-code.git

quick and dirty python naive bayes impl

add a new property

analyse performance of historic transactions and label each transaction

a simple naive bayes implementation.

change groupId

fix test

do not use TwitterTemplate concurrently as it results in lots of http

fix build