Fixes #196 - Enable resources to be served

lib/src/dependency_graph.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Tracks the shape of the import/export graph and dependencies between files.
 library dev_compiler.src.dependency_graph;
 
 import 'dart:collection' show HashSet;
 
 import 'package:analyzer/analyzer.dart' show parseDirectives;
@@ skipping 58 matching lines @@
       var extension = path.extension(uriString);
       if (extension == '.html') {
         return new HtmlSourceNode(this, uri, source);
       } else if (extension == '.dart' || uriString.startsWith('dart:')) {
         return new DartSourceNode(this, uri, source);
       } else {
         return new ResourceSourceNode(this, uri, source);
       }
     });
   }
+
+  List<String> get resources => _options.resources;
 }
 
 /// A node in the import graph representing a source file.
 abstract class SourceNode {
   final SourceGraph graph;
 
   /// Resolved URI for this node.
   final Uri uri;
 
   /// Resolved source from the analyzer. We let the analyzer internally track
@@ skipping 102 matching lines @@
         }
         if (node != null) newScripts.add(node);
       }
 
       if (!_same(newScripts, scripts)) {
         structureChanged = true;
         scripts = newScripts;
       }
 
       var newResources = new Set<ResourceSourceNode>();
+      for (var resource in graph.resources) {
+        newResources.add(graph.nodeFromUri(uri.resolve(resource)));
+      }
       for (var tag in document.querySelectorAll('link[rel="stylesheet"]')) {
         newResources
             .add(graph.nodeFromUri(uri.resolve(tag.attributes['href'])));
       }
       for (var tag in document.querySelectorAll('img')) {
         newResources.add(graph.nodeFromUri(uri.resolve(tag.attributes['src'])));
       }
       if (!_same(newResources, resources)) {
         structureChanged = true;
         resources = newResources;
@@ skipping 300 matching lines @@
   'dart._interceptors',
   'dart._native_typed_data',
   */
 ];
 
 /// Runtime files added to applications when running in server mode.
 final runtimeFilesForServerMode = new List<String>.from(defaultRuntimeFiles)
   ..addAll(const ['messages_widget.js', 'messages.css']);
 
 final _log = new Logger('dev_compiler.dependency_graph');