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

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

Index: pkg/polymer/lib/src/build/script_compactor.dart
diff --git a/pkg/polymer/lib/src/build/script_compactor.dart b/pkg/polymer/lib/src/build/script_compactor.dart
index 7b789e674eac0d22c795b11be27a5d72abe7d046..20d805287fcc472d0d4c662559f97d5fdd5647fc 100644
--- a/pkg/polymer/lib/src/build/script_compactor.dart
+++ b/pkg/polymer/lib/src/build/script_compactor.dart
@@ -148,7 +148,8 @@ class _ScriptCompactor extends PolymerTransformer {
       : transform = transform,
         options = options,
         logger = new BuildLogger(
-            transform, convertErrorsToWarnings: !options.releaseMode),
+            transform, convertErrorsToWarnings: !options.releaseMode,
+            detailsUri: 'http://goo.gl/5HPeuP'),
         docId = transform.primaryInput.id,
         bootstrapId = transform.primaryInput.id.addExtension('_bootstrap.dart');