tests/test-bookmarks-strip.out

localrepo: rename in-memory tag cache instance attributes (issue548).

- self.tagscache to self._tags
- self._tagstypecache to self._tagtypes
- this is for consistency, readability, privacy, and to subtly hint
  that "caching" is something else

% add file
adding qqq.txt
% commit first revision
% set bookmark
% commit second revision
% set bookmark
% update to -2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
% commit new head
created new head
% bookmarks updated?
   test                      1:16b24da7e457
   test2                     1:16b24da7e457
% strip to revision 1
saving bundle to 
saving bundle to 
adding branch
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
% list bookmarks
 * test                      1:9f1b7e78eff8
 * test2                     1:9f1b7e78eff8