.bowerrc

{
  "directory": "src/_lib",
  "json": "bower.json"
}

.gitignore

src
dist
node_modules

bower.json

{
  "name": "bower_example",
  "version": "0.0.0",
  "authors": [
    "Chase Adams <chase@realchaseadams.com>"
  ],
  "description": "An example of how to use bower",
  "license": "MIT",
  "homepage": "http://www.realchaseadams.com",
  "private": true,
  "ignore": [
    "**/.*",
    "node_modules",
    "bower_components",
    "src/_lib",
    "test",
    "tests"
  ],
  "dependencies": {
    "underscore": "~1.5.2",
    "jquery": "~2.0.3",
    "font-awesome": "~4.0.3",
    "requirejs": "~2.1.9"
  }
}

Gruntfile.js

var pkgjson = require('./package.json');

var config = {
  pkg: pkgjson,
  app: 'src',
  dist: 'dist'
}

module.exports = function (grunt) {

  // Configuration
  grunt.initConfig({
    config: config,
    pkg: config.pkg,
    bower: grunt.file.readJSON('./.bowerrc'),
    copy: {
      dist: {
       files: [{
         expand: true,
         cwd: '<%= config.app %>/_lib/font-awesome',
         src: 'css/font-awesome.min.css',
         dest: '<%= config.dist %>'
       },
       {
         expand: true,
         cwd: '<%= config.app %>/_lib/font-awesome',
         src: 'fonts/*',
         dest: '<%= config.dist %>'
       }]
      }
    },
    uglify: {
      options: {
        banner: '/*! <%= pkg.name %> lib - v<%= pkg.version %> -' +
          '<%= grunt.template.today("yyyy-mm-dd") %> */'
      },
      dist: {
        files: {
          '<%= config.dist %>/js/lib.min.js': [
            '<%= bower.directory %>/jquery/jquery.js',
            '<%= bower.directory %>/underscore/underscore.js',
            '<%= bower.directory %>/requirejs/require.js',
          ]
        }
      }
    }
  });

  grunt.loadNpmTasks('grunt-contrib-copy');
  grunt.loadNpmTasks('grunt-contrib-uglify');

  grunt.registerTask('default', [
    'copy',
    'uglify'
  ]);
};

package.json

{
  "name": "bower_example",
  "version": "0.0.0",
  "description": "An example of a bower project",
  "main": "Gruntfile.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "repository": {
    "type": "git",
    "url": "https://gist.github.com/7369801.git"
  },
  "author": "Chase Adams",
  "license": "BSD",
  "bugs": {
    "url": "https://gist.github.com/7369801"
  },
  "devDependencies": {
    "grunt": "~0.4.1",
    "grunt-contrib-copy": "~0.4.1",
    "grunt-contrib-uglify": "~0.2.5"
  }
}