old_contents: var _ = module.exports = require('underscore');
  
  var child_process = require('child_process');
  
  _.path = require('path');
  _.https = require('https');
  _.request = require('request');
  _.fs = require('fs');
  _.os = require('os');
  _.Q = require('q');
  _.str = require('underscore.string');
  _.config = require('../config');
  
  _.bcrypt = require('bcrypt-nodejs');
  
  _.mixin({
    defer: function() {
      return _.Q.defer();
    },
  });
new_contents: var _ = module.exports = require('underscore');
  
  var child_process = require('child_process');
  
  _.path = require('path');
  _.https = require('https');
  _.request = require('request');
  _.fs = require('fs');
  _.os = require('os');
  _.Q = require('q');
  _.str = require('underscore.string');
  _.config = require('../config');
  
  _.mixin({
    defer: function() {
      return _.Q.defer();
    },
  });
subject: remove unused module