[MERGE] Document the change in the command lines use of MutablelTree and bump the API minimum version.

[Aaron Bentley]

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

Robert Collins wrote:
> This documents the API change James was getting at - the command line is
> going to unconditionally pass in a new parameter to tree.commit().
> 
> I've also (though its late :P) updated the API minimum version to warn
> plugins about VersionedFiles etc etc.

> +    * ``MutableTree.commit`` has an extra optional keywork parameter

^^^ s/keywork/keyword

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

iD8DBQFImFOy0F+nu1YWqI0RAp5zAJ4gKJNycXSeD9l+VwLH8OgObjc/ZACeJGAW
DW3R0C/GO5zKaEywJUqY7CA=
=DCHE
-----END PGP SIGNATURE-----