gulp.task('bower-files', function(){
    return gulp.src(bowerFiles({
    		'overrides': {
    			'bootstrap': {
    				'main': [
    					'./dist/js/bootstrap.min.js',
    					'./dist/css/bootstrap.min.css'
    				]
    			},
    		}
    	}))
    	.pipe(gulp.dest('./app/lib'));
});