Added Twitter Bootstrap source

We're going to build a custom version

cssbuild/twitter-bootstrap/js/tests/unit/bootstrap-carousel.js

@@ -0,0 +1,28 @@
+$(function () {
+
+    module("bootstrap-carousel")
+
+      test("should be defined on jquery object", function () {
+        ok($(document.body).carousel, 'carousel method is defined')
+      })
+
+      test("should return element", function () {
+        ok($(document.body).carousel()[0] == document.body, 'document.body returned')
+      })
+
+      test("should not fire sliden when slide is prevented", function () {
+        $.support.transition = false
+        stop();
+        $('<div class="carousel"/>')
+          .bind('slide', function (e) {
+            e.preventDefault();
+            ok(true);
+            start();
+          })
+          .bind('slid', function () {
+            ok(false);
+          })
+          .carousel('next')
+      })
+
+})