Gulp using Bower main files (jquery, bootstrap and etc) with merging less and css example

guplfile.js

var gulp           = require('gulp'),
    filter         = require('gulp-filter'),
    mainBowerFiles = require('main-bower-files'),
    uglify         = require('gulp-uglify'),
    concat         = require('gulp-concat'),
    cleanCss       = require('gulp-clean-css'),
    order          = require('gulp-order'),
    flatten        = require('gulp-flatten'),
    merge          = require('merge-stream'),
    less           = require('gulp-less'),
    minify         = require('gulp-minify-css');

var assetPath = 'public/assets/',
    paths = {
        js: assetPath.concat('js'),
        css: assetPath.concat('css'),
        fonts: assetPath.concat('fonts'),
        img: assetPath.concat('img')
    },
    jsFilter = filter('**/*.js', {restore: true}),
    cssFilter = filter('**/*.css', {restore: true}),
    lessFilter = filter('**/*.less', {restore: true}),
    fontFilter = filter('**/fonts/*', {restore: true}),
    imgFilter = filter('**/img/*', {restore: true});

gulp.task('bower', function () {
    return gulp
        .src(mainBowerFiles(), {base: 'bower_components'})
        .pipe(gulp.dest('dist/lib/vendor'));
});

gulp.task('vendor', function () {
    return gulp.src('dist/lib/vendor/**')
        .pipe(jsFilter)
        .pipe(order([
            "**/jquery.min.js",
            "**/bootstrap.min.js",
            "**.js"
        ]))
        .pipe(concat('vendor.min.js'))
        .pipe(uglify())
        .pipe(gulp.dest(paths.js))
        .pipe(jsFilter.restore)
        .pipe(fontFilter)
        .pipe(flatten())
        .pipe(gulp.dest(paths.fonts))
        .pipe(fontFilter.restore)
        .pipe(imgFilter)
        .pipe(flatten())
        .pipe(gulp.dest(paths.img))
        .pipe(imgFilter.restore);
});

gulp.task('vendor-css', function () {
    var lessStream = gulp.src('dist/lib/vendor/**')
        .pipe(lessFilter)
        .pipe(less());

    var cssStream = gulp.src('dist/lib/vendor/**')
        .pipe(cssFilter)
        .pipe(cleanCss({compatibility: 'ie8'}));

    return merge(cssStream, lessStream)
        .pipe(concat('vendor.min.css'))
        .pipe(minify())
        .pipe(gulp.dest(paths.css))
        .pipe(lessFilter.restore)
        .pipe(cssFilter.restore);
});

gulp.task('default', ['vendor', 'vendor-css']);

bower.js overwrites for jquery 2 and bootstrap 3

"overrides": {
    "jquery": {
      "main": [
        "dist/jquery.min.js"
      ]
    },
    "bootstrap": {
      "main": [
        "dist/css/bootstrap.min.*",
        "dist/fonts/**",
        "dist/js/bootstrap.min.*"
      ]
    },