[MERGE] Adds a new builtin command 'alias' to list, set and remove bzr aliases.

[Aaron Bentley]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Tim Penhey wrote:
> Here's another patch, from our sit down fix-it session.
> 
> Tim

bb:approve

Aaron
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFII9t50F+nu1YWqI0RAqzDAKCGd+1RsBBCO3gUAaDejB3AzJFXQACdHJkq
+EmcMS231KIUm8kLgxZ1hzY=
=ASc9
-----END PGP SIGNATURE-----