[merge] Release manager 1.13 additions to releasing.txt

[Bundle Buggy]

Bundle Buggy has detected this merge request.

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C49C2AB16-D047-4C27-A791-FAFAABD25ECA%40real-time.com%3E
Project: Bazaar