LockClock: Czech translation

Patch-set 2: Updated strings by Václac Moucha

Patch-set 4: Final fixes

Patch-set 5: Added copyright

Patch-set 6: Hop this is finaly it :)

Thank Vaclav Moucha for this modification. Very helpful.

Change-Id: Ib25724d9cea31e186ad22e42771b7f7321c21932
Signed-off-by: kecinzer <kecinzer@gmail.com>