tests/test-bookmarks-rebase.out

tags: return tags in sorted order

This makes log and summary have less arbitrary tag ordering and also
groups similar tags together, such as the mq tags.

% initialize repository
adding a
adding b
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
adding c
created new head
adding d
% bookmark list
 * two                       3:2ae46b1d99a7
   one                       1:925d80f479bb
% rebase
saving bundle to 
adding branch
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (-1 heads)
rebase completed
changeset:   3:9163974d1cb5
tag:         one
tag:         tip
tag:         two
parent:      1:925d80f479bb
parent:      2:db815d6d32e6
user:        test
date:        Thu Jan 01 00:00:00 1970 +0000
summary:     3

changeset:   2:db815d6d32e6
parent:      0:f7b1eb17ad24
user:        test
date:        Thu Jan 01 00:00:00 1970 +0000
summary:     2

changeset:   1:925d80f479bb
user:        test
date:        Thu Jan 01 00:00:00 1970 +0000
summary:     1

changeset:   0:f7b1eb17ad24
user:        test
date:        Thu Jan 01 00:00:00 1970 +0000
summary:     0