re-create branch from rich-root-pack repo to pack-0.92 repo

[Ian Clatworthy]

Ben Finney wrote:

>   File "/home/bignose/.bazaar/plugins/fastimport/revision_store.py", line 211, in get_file_lines
>     w = self.repo.weave_store.get_weave(ie.file_id, tx)
> NameError: global name 'ie' is not defined

Fixed in rev 138.

Ian C.