Issue 21506. Fix for adding back previously excluded resources in sub-folders.

The server's part of the issue.

R=brianwilkerson@google.com
BUG= https://code.google.com/p/dart/issues/detail?id=21506

Review URL: https://codereview.chromium.org//692073004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@41500 260f80e4-7a28-3924-810f-c04153c831b5
2 files changed