DeskClock: PL translations

Port from cm-10.2

PS2/PS3/PS4: Delete whitespace

PS5: Update copyright

PS6: Fixing (thanks init0)

Change-Id: If16d1a9a7fc39ee75ef4fcf10b7a9683b4ba0d3e
Signed-off-by: jereksel <jereksel@gmail.com>