generate CSS banners via Gruntfile; fixes #10101

Gruntfile.js

@@ -8,7 +8,7 @@ module.exports = function(grunt) {
 
     // Metadata.
     pkg: grunt.file.readJSON('package.json'),
-    banner: '/**\n' +
+    banner: '/*!\n' +
               '* Bootstrap v<%= pkg.version %> by @fat and @mdo\n' +
               '* Copyright <%= grunt.template.today("yyyy") %> <%= pkg.author %>\n' +
               '* Licensed under <%= _.pluck(pkg.licenses, "url").join(", ") %>\n' +
@@ -73,7 +73,8 @@ module.exports = function(grunt) {
 
     recess: {
       options: {
-        compile: true
+        compile: true,
+        banner: '<%= banner %>'
       },
       bootstrap: {
         src: ['less/bootstrap.less'],

dist/css/bootstrap-theme.css

+/*!
+* Bootstrap v3.0.0 by @fat and @mdo
+* Copyright 2013 Twitter, Inc.
+* Licensed under http://www.apache.org/licenses/LICENSE-2.0
+*
+* Designed and built with all the love in the world by @mdo and @fat.
+*/
 .btn-default,
 .btn-primary,
 .btn-success,

dist/css/bootstrap.css

 /*!
- * Bootstrap v3.0.0
- *
- * Copyright 2013 Twitter, Inc
- * Licensed under the Apache License v2.0
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Designed and built with all the love in the world by @mdo and @fat.
- */
-
+* Bootstrap v3.0.0 by @fat and @mdo
+* Copyright 2013 Twitter, Inc.
+* Licensed under http://www.apache.org/licenses/LICENSE-2.0
+*
+* Designed and built with all the love in the world by @mdo and @fat.
+*/
 /*! normalize.css v2.1.0 | MIT License | git.io/normalize */
 
 article,

dist/js/bootstrap.js

-/**
+/*!
 * Bootstrap v3.0.0 by @fat and @mdo
-* Copyright 2013 Twitter Inc.
+* Copyright 2013 Twitter, Inc.
 * Licensed under http://www.apache.org/licenses/LICENSE-2.0
 *
 * Designed and built with all the love in the world by @mdo and @fat.

dist/js/bootstrap.min.js

-/**
+/*!
 * Bootstrap v3.0.0 by @fat and @mdo
-* Copyright 2013 Twitter Inc.
+* Copyright 2013 Twitter, Inc.
 * Licensed under http://www.apache.org/licenses/LICENSE-2.0
 *
 * Designed and built with all the love in the world by @mdo and @fat.

less/bootstrap.less

-/*!
- * Bootstrap v3.0.0
- *
- * Copyright 2013 Twitter, Inc
- * Licensed under the Apache License v2.0
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Designed and built with all the love in the world by @mdo and @fat.
- */
-
 // Core variables and mixins
 @import "variables.less";
 @import "mixins.less";