fix: restore copyright notice and remove unused deps for examples

Closes #188

src/index.html

@@ -290,7 +290,7 @@ <h3>Server Communication</h3>
       <div class="span8 app-source" app-source="project.html project.js list.html detail.html" resource="resource" route="route" firebase="firebase" annotate="project.annotation" module="project"></div>
       <div class="span4">
         <span hint></span>
-        <span class="pull-right" plnkr="project.html bootstrap.css list.html detail.html project.js project-list.js" resource="resource" route="route" firebase="firebase" module="project"></span>
+        <span class="pull-right" plnkr="project.html list.html detail.html project.js project-list.js" resource="resource" route="route" firebase="firebase" module="project"></span>
         <div class="tabs-spacer"></div>
         <!--[if lt IE 10]>
           <div class="alert alert-error">
@@ -927,9 +927,6 @@ <h2>JavaScript Projects</h2>
         }
       });
     </script>
-    <style type="text/css" id="bootstrap.css">
-      // Uncomment this in Plunker or JSFiddle: @import '//netdna.bootstrapcdn.com/twitter-bootstrap/2.0.4/css/bootstrap-combined.min.css';
-    </style>
     <script type="text/ng-template" id="tabs.html">
       <tabs>
         <pane title="Localization">

src/js/homepage.js

@@ -118,6 +118,12 @@ angular.module('homepage', ['ngAnimate', 'ui.bootstrap', 'download-data'])
   }])
 
   .factory('templateBuilder', function(script) {
+    var COPYRIGHT = 'Copyright ' + (new Date()).getFullYear() + ' Google Inc. All Rights Reserved.\n'
+     + 'Use of this source code is governed by an MIT-style license that\n'
+     + 'can be found in the LICENSE file at http://angular.io/license';
+    var COPYRIGHT_JS_CSS = '\n\n/*\n' + COPYRIGHT + '\n*/';
+    var COPYRIGHT_HTML = '\n\n<!-- \n' + COPYRIGHT + '\n-->';
+
     return {
       createLocalDependencies: function(files) {
         var head = [];
@@ -150,6 +156,18 @@ angular.module('homepage', ['ngAnimate', 'ui.bootstrap', 'download-data'])
             '__BODY__' +
             '  </body>\n' +
             '</html>';
+      },
+      getCopyright: function(filename) {
+        switch (filename.substr(filename.lastIndexOf('.'))) {
+          case '.html':
+            return COPYRIGHT_HTML;
+          case '.js':
+          case '.css':
+            return COPYRIGHT_JS_CSS;
+          case '.md':
+            return COPYRIGHT;
+        }
+        return '';
       }
     };
   })
@@ -316,6 +334,8 @@ angular.module('homepage', ['ngAnimate', 'ui.bootstrap', 'download-data'])
             content = fetchCode(filename);
           }
 
+          content += templateBuilder.getCopyright(filename);
+
           plnkrFiles.push({
             name: index === 0 ? 'index.html' : filename, // plnkr expects an index.html
             content: content