[MERGE] Add a --revision option to 'bzr push'

[Alexander Belchenko]

Alexander Belchenko has voted approve.
Status is now: Approved
Comment:
seems correct.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C20080309184325.4297d9b3%40lapbert.oxbridgetech%3E