Slovak translation update

git-svn-id: http://farmanager.googlecode.com/svn/trunk@11526 ea59307d-ff68-5b67-5a21-acd59c66a581
Slovak translation update

git-svn-id: http://farmanager.googlecode.com/svn/trunk@11527 ea59307d-ff68-5b67-5a21-acd59c66a581