[MERGE] Fix for poor bzr rm * performance in trunk

[Bundle Buggy]

Bundle Buggy has detected this merge request.

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C9b0752e70905062213g38417c5dn88921829d1927140%40mail.gmail.com%3E
Project: Bazaar