GruntfileConcat.js

// Part of Gruntfile.js, this is the Concat section
concat: {
    options: {
        separator: ';',
    },
    js_header: {
        src: [
            '<%= paths.assets.vendor %>modernizr/modernizr.js',
            '<%= paths.assets.js %>custom.js'
        ],
        dest: '<%= paths.js %>expanded/scripts_header.js',
    },
    js_footer: {
        src: [
            '<%= paths.assets.vendor %>jquery/dist/jquery.js',
            '<%= paths.assets.vendor %>jquery.cookie/jquery.cookie.js',
            '<%= paths.assets.vendor %>jquery.placeholder/jquery.placeholder.js',
            '<%= paths.assets.vendor %>fastclick/lib/fastclick.js',
            '<%= paths.assets.vendor %>foundation/js/foundation.js'
        ],
        dest: '<%= paths.js %>expanded/scripts_footer.js',
    }
},

// This is at the end of the file, the plugin section:
// Plugin loading
grunt.loadNpmTasks('grunt-contrib-compass');
grunt.loadNpmTasks('grunt-contrib-sass');
grunt.loadNpmTasks('grunt-contrib-concat');