cs translation slightly modified
|Reported by:||radek svarz||Owned by:||Adrian Holovaty|
|Has patch:||no||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
Cleaned up plural forms and a few fuzzy strings.
I am all +10 to have commit rights to put modified translations into the subv. rep.
I am not sure about .mo files, though.