[MERGE] Display the author instead of the committer in bzr log and bzr annotate

[Aaron Bentley]

Aaron Bentley has voted resubmit.
Status is now: Resubmit
Comment:
I would not list the committer as the "author".  I would only list 
"author" when the author revision-property is set.  I would call 
Revision.get_author Revision.get_apparent_author, since if the author's 
not set, we don't really know who the author is.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C1187272439.6289.24.camel%40nemo%3E