old_contents: /*
   * Windshaft-CartoDB
   * ===============
   *
   * ./app.js [environment]
   *
   * environments: [development, production]
   */
  
  
  // sanity check
  var ENV = process.argv[2]
  if (ENV != 'development' && ENV != 'production' && ENV != 'staging' ){
      console.error("\nnode app.js [environment]");
      console.error("environments: [development, production, staging]\n");
      process.exit(1);
  }
  
  var _ = require('underscore')
      , Step       = require('step')
  	, CartodbWindshaft = require('./lib/cartodb/cartodb_windshaft');
  
  // set environment specific variables
  global.settings     = require(__dirname + '/config/settings');
  global.environment  = require(__dirname + '/config/environments/' + ENV);
  _.extend(global.settings, global.environment);
  
  // Include cart_data.js only _after_ the "global" variable is set
  // See https://github.com/Vizzuality/Windshaft-cartodb/issues/28
  var cartoData = require('./lib/cartodb/carto_data');
  
  var Windshaft = require('windshaft');
  var serverOptions = require('./lib/cartodb/server_options');
  
  ws = CartodbWindshaft(serverOptions);
  
  // Maximum number of connections for one process
  // 128 is a good number if you have up to 1024 filedescriptors
  // 4 is good if you have max 32 filedescriptors
  // 1 is good if you have max 16 filedescriptors
  ws.maxConnections = global.environment.maxConnections || 128;
  
  ws.listen(global.environment.port, global.environment.host);
  
  ws.on('listening', function() {
    console.log("Windshaft tileserver started on " + global.environment.host + ':' + global.environment.port);
  });
  
  // DEPRECATED, use SIGUSR2
  process.on('SIGUSR1', function() {
    console.log('WARNING: handling of SIGUSR1 by Windshaft-CartoDB is deprecated, please send SIGUSR2 instead');
    ws.dumpCacheStats();
  });
  
  process.on('SIGUSR2', function() {
    ws.dumpCacheStats();
  });
  
new_contents: /*
   * Windshaft-CartoDB
   * ===============
   *
   * ./app.js [environment]
   *
   * environments: [development, production]
   */
  
  
  // sanity check
  var ENV = process.argv[2]
  if (ENV != 'development' && ENV != 'production' && ENV != 'staging' ){
      console.error("\nnode app.js [environment]");
      console.error("environments: [development, production, staging]\n");
      process.exit(1);
  }
  
  var _ = require('underscore')
      , Step       = require('step')
  	, CartodbWindshaft = require('./lib/cartodb/cartodb_windshaft');
  
  // set environment specific variables
  global.settings     = require(__dirname + '/config/settings');
  global.environment  = require(__dirname + '/config/environments/' + ENV);
  _.extend(global.settings, global.environment);
  
  var Windshaft = require('windshaft');
  var serverOptions = require('./lib/cartodb/server_options');
  
  ws = CartodbWindshaft(serverOptions);
  
  // Maximum number of connections for one process
  // 128 is a good number if you have up to 1024 filedescriptors
  // 4 is good if you have max 32 filedescriptors
  // 1 is good if you have max 16 filedescriptors
  ws.maxConnections = global.environment.maxConnections || 128;
  
  ws.listen(global.environment.port, global.environment.host);
  
  ws.on('listening', function() {
    console.log("Windshaft tileserver started on " + global.environment.host + ':' + global.environment.port);
  });
  
  // DEPRECATED, use SIGUSR2
  process.on('SIGUSR1', function() {
    console.log('WARNING: handling of SIGUSR1 by Windshaft-CartoDB is deprecated, please send SIGUSR2 instead');
    ws.dumpCacheStats();
  });
  
  process.on('SIGUSR2', function() {
    ws.dumpCacheStats();
  });
  
subject: Drop unneeded include from outermost app