Chartbeat Hubot Script
=====================
A Hubot script for accessing the current live traffic count from the Chartbeat
service.

Configuration
-------------
    #Default Site, responds to `chart me`
    HUBOT_CHARTBEAT_SITE=example.com

    #Comman separated list of all sites in Chartbeat
    HUBOT_CHARTBEAT_SITES=example1.com,example2.com

    #API Key
    HUBOT_CHARTBEAT_API_KEY=XXXXXXXXXXXXXXXX

Usage
-----
    hubot chart me        - Returns active concurrent visitors from the default site specified.
    hubot chart me <site> - Returns active concurrent vistors from the site specified.
    hubot chart bomb      - Returns active concurrent vistors from all sites