Link to stable-errors site from pub-build messages on the command line.

pkg/polymer/lib/src/build/build_filter.dart

 // Copyright (c) 2013, 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.
 
 /// Final phase of the polymer transformation: removes any files that are not
 /// needed for deployment.
 library polymer.src.build.build_filter;
 
 import 'dart:async';
 
@@ skipping 18 matching lines @@
       // keep any entry points
       !options.isHtmlEntryPoint(id);
   }
 
   apply(Transform transform) {
     transform.consumePrimary();
     if (transform.primaryInput.id.extension == _DATA_EXTENSION) {
       return null;
     }
     var logger = new BuildLogger(transform,
-        convertErrorsToWarnings: !options.releaseMode);
+        convertErrorsToWarnings: !options.releaseMode,
+          detailsUri: 'http://goo.gl/5HPeuP');
     return readPrimaryAsHtml(transform, logger).then((document) {
       // Keep .html files that don't use polymer, since the app developer might
       // have non-polymer entrypoints.
       if (document.querySelectorAll('polymer-element').isEmpty) {
         transform.addOutput(transform.primaryInput);
       }
     });
   }
 }
 
 const String _DATA_EXTENSION = '._data';