Updated swedish translation for RELENG

[Andreas Dahlén]

Hi!

I've reviewed the swedish translations that where merged to the 
RELENG branch and found some differences and errors. The new 
versions can be found below;

horde http://www.dahlen.ws/po/release/po/sv_SE.po
chora http://www.dahlen.ws/po/release/chora/po/sv_SE.po
imp http://www.dahlen.ws/po/release/imp/po/sv_SE.po
nag http://www.dahlen.ws/po/release/nag/po/sv_SE.po
turba http://www.dahlen.ws/po/release/turba/po/sv_SE.po

If you wants to download all the translations as one file, it is 
here: http://www.dahlen.ws/po/swedish_release.tar.gz

I've also found an error in config/lang.php. In the section that 
specifies the available langages. A 'a' is missing on the line that 
specifies the swedish translation;

The line: 
$nls['languages']['sv_SE'] = 'Svensk';

Should be: 
$nls['languages']['sv_SE'] = 'Svenska';

/Andreas