Merge pull request #2 from jedi4ever/statsd

Statsd configurations options
making it depend of nodejs cookbook to support all install methods for that
change from package nodejs to cookbook nodejs this will allow for more platform support

by changing from the package to cookbook for nodejs you get much greater platform support for instance I am running this on debian not ubuntu using that cookbook to install nodejs from source
Merge remote-tracking branch 'ashmere/statsd'