Issue #435 - start of Bootstrap 3 core support. Enable by adding the following to your theme.php file:

define("BOOTSTRAP", 3);
define("FONTAWESOME", 4); // optional

e107::js("url", "//netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js");
e107::css('url', '//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css');
e107::css('url', "//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.min.css"); // optional