Added Twitter Bootstrap source

We're going to build a custom version

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

@@ -0,0 +1,56 @@
+$(function () {
+
+    module("bootstrap-alerts")
+
+      test("should be defined on jquery object", function () {
+        ok($(document.body).alert, 'alert method is defined')
+      })
+
+      test("should return element", function () {
+        ok($(document.body).alert()[0] == document.body, 'document.body returned')
+      })
+
+      test("should fade element out on clicking .close", function () {
+        var alertHTML = '<div class="alert-message warning fade in">'
+          + '<a class="close" href="#" data-dismiss="alert">×</a>'
+          + '<p><strong>Holy guacamole!</strong> Best check yo self, you\'re not looking too good.</p>'
+          + '</div>'
+          , alert = $(alertHTML).alert()
+
+        alert.find('.close').click()
+
+        ok(!alert.hasClass('in'), 'remove .in class on .close click')
+      })
+
+      test("should remove element when clicking .close", function () {
+        $.support.transition = false
+
+        var alertHTML = '<div class="alert-message warning fade in">'
+          + '<a class="close" href="#" data-dismiss="alert">×</a>'
+          + '<p><strong>Holy guacamole!</strong> Best check yo self, you\'re not looking too good.</p>'
+          + '</div>'
+          , alert = $(alertHTML).appendTo('#qunit-fixture').alert()
+
+        ok($('#qunit-fixture').find('.alert-message').length, 'element added to dom')
+
+        alert.find('.close').click()
+
+        ok(!$('#qunit-fixture').find('.alert-message').length, 'element removed from dom')
+      })
+
+      test("should not fire closed when close is prevented", function () {
+        $.support.transition = false
+        stop();
+        $('<div class="alert"/>')
+          .bind('close', function (e) {
+            e.preventDefault();
+            ok(true);
+            start();
+          })
+          .bind('closed', function () {
+            ok(false);
+          })
+          .alert('close')
+      })
+
+})