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var gulp = require('gulp'),
  sass = require('gulp-ruby-sass'),
  autoprefixer = require('gulp-autoprefixer'),
  minifycss = require('gulp-minify-css'),
  jshint = require('gulp-jshint'),
  uglify = require('gulp-uglify'),
  imagemin = require('gulp-imagemin'),
  rename = require('gulp-rename'),
  concat = require('gulp-concat'),
  notify = require('gulp-notify'),
  cache = require('gulp-cache'),
  flatten = require('gulp-flatten'),
  livereload = require('gulp-livereload'),
  del = require('del');