put in utf8 forcing workaround

Haskell's IO layer crashes on characters > 255 when in a non-unicode (latin1)
locale. Until Haskell gets better behavior, put in an admittedly ugly
workaround for that: git-annex forces utf8 output mode no matter what
locale is selected. So if you use a non-utf8 locale, your filenames with
characters > 127 will not be displayed as you'd expect. But at least it
won't crash.

doc/bugs/unhappy_without_UTF8_locale.mdwn

@@ -8,6 +8,8 @@ Try unsetting LANG and passing git-annex unicode filenames.
 > with certian input filenames, while in en_US.UTF-8, it's ok.
 > The workaround below avoided the problem in de_DE.UTF-8. --[[Joey]]
 
+> Put in the utf-8 forcing workaround for now. [[done]] --[[Joey]] 
+
 ## underlying haskell problem and workaround
 
 The same problem can be seen with a simple haskell program: