gulp: livereload basic setup

gulpfile.js

var gulp = require('gulp');
var sass = require('gulp-ruby-sass');
var prefix = require('gulp-autoprefixer');
var livereload = require('gulp-livereload');
var watch = require('gulp-watch');

gulp.task('default', function () {
    gulp.src('sass/app.scss')
        .pipe(watch())
        .pipe(sass({style: 'compact'}))
        .pipe(prefix("last 2 version", "> 1%", "ie 8"))
        .pipe(gulp.dest('dist'))
        .pipe(livereload());

    gulp.src('*.html')
        .pipe(watch())
        .pipe(livereload());
});

package.json

{
  "name": "site",
  "dependencies": {
    "express"     : "~3.4.7",
    "gulp"        : "~3.6.2",
    "gulp-ruby-sass" : "~0.5.0",
    "gulp-autoprefixer" : "~0.0.7",
    "gulp-livereload" : "~1.1.1",
    "gulp-util"     : "~2.2.0",
    "gulp-watch"    : "~0.5.0"
  }
}