deploy su ftp con file system watcher via grunt

Gruntfile.js

module.exports = function(grunt) {
grunt.initConfig({
  pkg: grunt.file.readJSON('package.json'),
  ftpush: {
    all: {
      auth: {
        host: 'ftp.felolabs.com',
        port: 21,
        authKey: 'key1'
      },
      src: './',
      dest: '/www.felolabs.com/a/',
      exclusions: ['node_modules', '.*'],
      keep: ['/important/images/at/server/*.jpg']
    }
  },
  watch: {
    all:{
      files: '**/*',
      tasks: ['ftpush:all'],
      options: {
        nospawn: true
      }
    }
  }
});
grunt.event.on('watch', function(action, filepath, target) {
  var files = {"./":filepath};
//  grunt.config(['ftp_push', 'files', 'src'], files);
//  grunt.config(['ftp_push', 'files', 'src'], [filepath]);
//  grunt.config('ftp_push.all.files.src', [filepath]);
//  console.log(grunt.config('ftp_push.all.files.src'));
});
//grunt.loadNpmTasks('grunt-contrib-uglify');
//grunt.loadNpmTasks('grunt-ftp-push');
grunt.loadNpmTasks('grunt-ftpush');
grunt.loadNpmTasks('grunt-contrib-watch');
grunt.registerTask('default', ['watch:all']);
};

package.json

{
  "name": "my-project-name",
  "version": "0.1.0",
  "devDependencies": {
    "grunt": "^0.4.5",
    "grunt-contrib-jshint": "^0.11.3",
    "grunt-contrib-nodeunit": "^0.4.1",
    "grunt-contrib-uglify": "^0.9.2",
    "grunt-contrib-watch": "^0.6.1",
    "grunt-ftp-push": "^0.4.1",
    "grunt-ftpush": "^0.3.3"
  }
}