Alternate fix for #11303: add link to site in banner and remove @mdo and @fat usernames from it

Gruntfile.js

@@ -11,11 +11,9 @@ module.exports = function(grunt) {
     // Metadata.
     pkg: grunt.file.readJSON('package.json'),
     banner: '/*!\n' +
-              ' * Bootstrap v<%= pkg.version %> by @fat and @mdo\n' +
+              ' * Bootstrap v<%= pkg.version %> (http://getbootstrap.com)\n' +
               ' * Copyright <%= grunt.template.today("yyyy") %> <%= pkg.author %>\n' +
               ' * Licensed under <%= _.pluck(pkg.licenses, "url").join(", ") %>\n' +
-              ' *\n' +
-              ' * Designed and built with all the love in the world by @mdo and @fat.\n' +
               ' */\n\n',
     jqueryCheck: 'if (typeof jQuery === "undefined") { throw new Error("Bootstrap requires jQuery") }\n\n',