Update version to 0.0.4

* [PR7][1]: Fix node attributes for Chef 11
* [PR8][2]: Links libjna into Cassandra lib
* [PR9][3]: Include runit recipe in default

[1]: https://github.com/racker/cookbook-cassandra/pull/7
[2]: https://github.com/racker/cookbook-cassandra/pull/8
[3]: https://github.com/racker/cookbook-cassandra/pull/9