Update cs.ini

Updated czech translation. Original translation seems to be more from Opera browser, so this is "clean" update for Maxthon. File taken here: https://github.com/gera2ld/Violentmonkey-mx/wiki/i18n
Hope it will be fine :-)
Update cs.ini

Changed translator name + small bugfix
Merge pull request #2 from R3gi/patch-1

Czech ready - cs.ini