var gulp = require('gulp'); // GULP himself
// utils
var gutil = require('gulp-util');
var plumber = require('gulp-plumber');
var changed = require('gulp-changed');
var watch = require('gulp-watch');
// for file
var concat = require('gulp-concat');
var filesize = require('gulp-filesize');
var rename = require('gulp-rename');
// for JS
var uglify = require('gulp-uglify'),
var jshint = require('gulp-jshint');
// for CSS
var sourcemaps = require('gulp-sourcemaps');
var minifycss = require('gulp-minify-css');
var less = require('gulp-less');
// for testing
var selenium = require('selenium-standalone');
var webdriver = require('gulp-webdriver');