[MERGE] [BUG #4663] Fix ``bzr log -r`` to support selecting merge revisions.

[Aaron Bentley]

Aaron Bentley has voted -1.
Status is now: Vetoed
Comment:
Author didn't intend this to be merged.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C464E55B5.1060909%40gmail.com%3E