gulpfile.js

var gulp = require('gulp'),
    less = require('gulp-less'),
    watch = require('gulp-watch'),
    connect = require('gulp-connect'),
    open = require('gulp-open'),
    path = require('path');

gulp.task('less', function () {
    return gulp.src('./less/main.less')
        .pipe(less({
            paths: [path.join(__dirname, 'includes')]
        }))
        .pipe(gulp.dest('./css'))
        .pipe(connect.reload());
});

gulp.task('watch', function () {
    gulp.watch('./less/**/*.less', ['less']);
});

gulp.task('webserver', function () {
    connect.server({
        livereload: true,
        root: ['.', '.tmp']
    });
});

gulp.task('open', function() {
    gulp.src('./index.html')
        .pipe(open({
            uri: 'http://localhost:8080'
        }));
});

gulp.task('default', ['webserver', 'watch', 'open']);