[MERGE] better support of unicode paths on Windows

[Alexander Belchenko]

Martin Pool пишет:
> 2009/7/3 Alexander Belchenko <bialix at ukr.net>:
>> Bzr has one latent bug related to create new .bzr directory inside unicode
>> directory. The problem occurs when unicode path cannot be encoded in current
>> user encoding, as pointed by INADA Naoki, see
>> https://bugs.launchpad.net/tortoisebzr/+bug/335362/comments/41
>>
>> This is rare condition, but bug itself is very serious.
>> Please, merge for 1.17.
> 
> Is it serious because it blocks people from using bzr in non-english
> directories, or is it even worse than that?

The problem fixed by this patch have been blocked the people to init new 
bzr branch on unicode paths that cannot be encoded to plain string using 
current user encoding. It's not very usual situation for non-CJK languages.

>  If so, the news message
> perhaps should say so.