Allow access to resources from within the app code (Business Logic?)

[alonronin]

add resources instances to the app.

[airtonix]

# ./app.coffee

_ = require 'lodash'
app = require 'express'
jest = require 'jest'
includeAll = require 'include-all'

app.set 'api roots', ['/api/v1/', 'api/v2']

app.api = new jest.Api app.get('api roots')[0], app

app.resources = includeAll
  dirname: "#{__dirname}/resources"
  filter: /(.+Resource).js$/

_.each resources, (resource, name) ->
  app.resources[name] = new resource(app)

#./resources/UserResource.coffee

jest = require 'jest'

modue.exports = (app) ->
  return jest.Resource.extend
    init: () ->
      @_super app.models.UserModel0
      # ... blah