Add /usr/local/{sbin,bin} to init script PATH

so that it can work with a nodejs installed into /usr/local
Use instance-variable syntax in templates

to avoid deprecation warnings in puppet 3.2
Moved parameters into params.pp
Merge pull request #11 from rwstauner/template-vars

Use instance-variable syntax in templates
Merge pull request #12 from doismellburning/params

Moved parameters into params.pp
Merge pull request #10 from rwstauner/local-path

Add /usr/local/{sbin,bin} to init script PATH
Add specs
Merge pull request #13 from maestrodev/specs

Add initial spec with rspec-puppet
use the correct link to the provided graphite backend

statsd directly requires what is given in the config file. So for backends that are included (like Graphite) we need to pass in the relative require.
Merge pull request #14 from mrtazz/patch-1

use the correct link to the provided graphite backend
provide ability to hard version the upstream nodejs package, using the upstream parameter. default to their defaults
fix process name for stop in init script on ubuntu - wasnt matching before
Merge pull request #16 from CpuID/master

provide ability to hard version the upstream nodejs package + fix init script stop on ubuntu
provide ability to manage nodejs module externally of statsd module
Merge pull request #17 from CpuID/master

provide ability to manage nodejs module externally of statsd module