[i18n] Updated Slovak translation

[Jan Schneider]

Zitat von "Jozef Sudolsky ELBIA s. r. o." <jozef.sudolsky at elbia.sk>:

> Here it is:
> www.watchdog.sk/horde.tar
>
> LOTS of bugs and typos fixed, huge revision of existing strings,  
> lots of new strings. Please, can this be included into Horde 5.0.3  
> and Imp 6.0.3? Also, let me know when you download it so i can  
> remove the file. Thank you.

Committed, thanks!
-- 
Jan Schneider
The Horde Project
http://www.horde.org/