Foundation 5 Gruntfile.js to compile sass with libsass and copy bower components to /js/ in your project. Run `npm install && bower install` and then `grunt` to watch

Gruntfile.js

module.exports = function(grunt) {
  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),

    sass: {
      options: {
        includePaths: ['bower_components/foundation/scss']
      },
      dist: {
        options: {
          outputStyle: 'compressed'
        },
        files: {
          'css/app.css': 'scss/app.scss'
        }        
      }
    },

    copy: {
      main: {
        expand: true,
        cwd: 'bower_components',
        src: '**',
        dest: 'js'
      },
    },

    watch: {
      options: {
        livereload: true
      },
      grunt: { files: ['Gruntfile.js'] },

      sass: {
        files: 'scss/**/*.scss',
        tasks: ['sass']
      }
    }
  });

  grunt.loadNpmTasks('grunt-sass');
  grunt.loadNpmTasks('grunt-contrib-watch');
  grunt.loadNpmTasks('grunt-contrib-copy');

  grunt.registerTask('build', ['sass']);
  grunt.registerTask('default', ['copy', 'watch']);

}

package.json

{
  "name": "foundation-libsass-template",
  "version": "0.0.1",
  "devDependencies": {
    "node-sass": "~0.7.0",
    "grunt": "~0.4.1",
    "grunt-contrib-watch": "~0.5.3",
    "grunt-sass": "~0.8.0",
    "grunt-contrib-copy": "~0.4.1",
  }
}