Merge lp://qastaging/~jml/bzr-loom/up-down-alias into lp://qastaging/bzr-loom

Hey Rob,

This branch adds aliases for up-thread and down-thread ('up' and 'down' respectively). It also updates their _see_alsos so that they refer to each other.

No tests, I'm afraid. I hope that's not a problem.

Diff below.

=== modified file 'NEWS'
--- NEWS 2008-07-25 05:24:06 +0000
+++ NEWS 2008-11-19 07:17:59 +0000
@@ -24,6 +24,9 @@
     * ``bzr push`` now pushes the last-loom rather than creating an empty loom.
       (Robert Collins, #201613)

+ * ``up`` and ``down`` are now aliases for ``up-thread`` and
+ ``down-thread`` respectively.
+
   BUGFIXES:

   API BREAKS:

=== modified file 'commands.py'
--- commands.py 2008-11-17 00:58:00 +0000
+++ commands.py 2008-11-19 07:16:33 +0000
@@ -284,7 +284,8 @@
     """

     takes_args = ['thread?']
- _see_also = ['switch']
+ aliases = ['down']
+ _see_also = ['switch', 'up-thread']

     def run(self, thread=None):
         (wt, path) = workingtree.WorkingTree.open_containing('.')
@@ -316,6 +317,9 @@
     takes_options = ['merge-type', Option('auto',
         help='Automatically commit and merge repeatedly.')]

+ aliases = ['up']
+ _see_also = ['down-thread', 'switch']
+
     def run(self, merge_type=None, auto=False):
         (tree, path) = workingtree.WorkingTree.open_containing('.')
         branch.require_loom_branch(tree.branch)

+1