[i18n] locale-based sort, new suggestion

[Chuck Hagenbuch]

Quoting persian-horde at metanetworking.com:

> its good to note that the correct sorting is one of the essential aspects
> of internationalization, so better to fix this in a good way.

Indeed. And this function does at least one more loop through the 
*entire* contents of the mailbox than it has to, and makes no attempt 
whatsover to only run for locales where it's needed - thus vastly 
decreasing performance for many users. If these problems are address we 
can talk further.

-chuck

-- 
"But she goes not abroad in search of monsters to destroy." - John 
Quincy Adams