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.version
refer to this module's exports with the cli
object
cli = exports