A Basic GruntFile.js… $ npm install && grunt

GruntFile.js

'use strict';
var path = require('path');
var lrSnippet = require('grunt-contrib-livereload/lib/utils').livereloadSnippet;

var folderMount = function folderMount(connect, point) {
  return connect.static(path.resolve(point));
};

module.exports = function (grunt) {
  // Project configuration.
  grunt.initConfig({
    livereload: {
      port: 35729 // Default livereload listening port.
    },
    connect: {
      livereload: {
        options: {
          port: 9001,
          middleware: function(connect, options) {
            return [lrSnippet, folderMount(connect, options.base)];
          }
        }
      }
    },
    // Configuration to be run (and then tested)
    regarde: {
      html: {
        files: '**/*.html',
        tasks: ['livereload']
      },
      css: {
        files: '**/*.css',
        tasks:  ['livereload']
      },
      sass: {
        files: '**/*.sass',
        tasks: ['sass']
      }

    },
    sass: {                                     // Task
        dist: {                                 // Target
          files: {                              // Dictionary of files
            'css/style.css': 'sass/style.sass'  // 'destination': 'source'
          }
        },
        options: {
          'compass': true,
          'style': 'expanded',
          'debugInfo': true,
          'trace': true
        }
    }

  });

  grunt.loadNpmTasks('grunt-regarde');
  grunt.loadNpmTasks('grunt-contrib-connect');
  grunt.loadNpmTasks('grunt-contrib-livereload');
  grunt.loadNpmTasks('grunt-contrib-sass');

  grunt.registerTask('default', ['livereload-start', 'connect', 'regarde']);
};

package.json

{
  "name": "ProjectTitle",
  "version": "0.0.1",
  "description": "",
  "author": "Stephane Coue",
  "license": "BSD",
  "devDependencies": {
    "grunt": "~0.4.1",
    "grunt-regarde": "~0.1.1",
    "grunt-contrib-connect": "~0.2.0",
    "grunt-contrib-livereload": "~0.1.2",
    "grunt-contrib-sass": "~0.3.0"
  }
}