Chronus: CS translation

- first bunch of changes

Change-Id: I5647e932455a87943f7ef0746671b7fffcc021ec
Chronus: CS translation

- completed translation
- added play store text

Change-Id: Id729764a92a4754705f0058770997f684ca65d26
Update play_store_listing.txt

Drobné opravy a úpravy :-)
Merge pull request #1 from bckp/patch-1

Update play_store_listing.txt
Merge pull request #12 from Keltek/master

Chronus: CS translation