Extract separate recipe for different install
Small refacto
Merge pull request #2 from kamaradclimber/extract

Extract install recipes
Add license, update CHANGELOG and add new contributor
Avoid search if attribute is already set
Normal attributes are evil

Normal attributes stick between chef-client run and are usually used to
set data such as passwords or other generated-once values.
We should avoid them whenever possible
Merge pull request #3 from kamaradclimber/search

Avoid search when es/graphite servers already set
Remove `"use strict";` from `config.js` (refs #1)
Fix grafana_user