Append client scripts in casperjs

gistfile1.txt

var casper = casperjs.create({
    verbose: true,
    logLevel: "error",
    clientScripts: [
        'jquery.js',
        'jquery.simulate.js',
        'jquery.simulate.ext.js',
        'jquery.simulate.drag-n-drop.js',
        'jquery.simulate.key-combo.js',
        'jquery.simulate.key-sequence.js'
    ],
    viewportSize: {
        width: 1024,
        height: 800
    }
});