RC: Updated czech translation

Change-Id: Ia69c5e2d2eb7702789a32b14a2bc3d1e7bba57c9
Signed-off-by: kecinzer <kecinzer@gmail.com>
Update Japanese translation

- Add missing translations
- Revise some translations

Change-Id: If68089ee23280477b3719a3d742ef66a0e6ce90f
Signed-off-by: rdgate <rdgate@gmail.com>