Update iso690-author-date-cs.csl

If book has autor/s AND translator/s, than translator/s is/are added behind edition end publisher place. Translator/s names are in order: First Name Surename. 
Template: SHAKESPEARE, William. Jak se vám líbí [As you like it]. Vyd. 2. Přeložil Martin HILSKÝ. Brno: Atlantis, 2007. ISBN 978-80-7108-290-3. (https://sites.google.com/site/novaiso690/prvky-citace/tvuarce)
Merge pull request #395 from libora/patch-7

Update iso690-author-date-cs.csl