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// NOTE: Description of how the code works (when it isn't self evident).

// XXX: Warning about possible pitfalls, can be used as NOTE:XXX:.

// HACK: Not very well written or malformed code to circumvent a problem/bug. Should be used as HACK:FIXME:.

// FIXME: This works, sort of, but it could be done better. (usually code written in a hurry that needs rewriting).

// BUG: There is a problem here.

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var gulp = require('gulp'),
  sass = require('gulp-sass'),
  browserSync = require('browser-sync').create(),
  concat = require('gulp-concat'),
  uglify = require('gulp-uglifyjs'),
  cssnano = require('gulp-cssnano'),
  rename = require('gulp-rename'),
  concatCss = require('gulp-concat-css'),
  imagemin = require('gulp-imagemin'),
  del = require('del');