utility belt: http://underscorejs.org/
_ = require "underscore"command-line option parser: https://github.com/npm/nopt
nopt = require "nopt"our server
server = require "./server"pull in our package.json file to get the name and version
pkg = require "../package.json"
PROGRAM = pkg.name
VERSION = pkg.versionrefer to this module's exports with the cli object
cli = exports