FM2: PL translations

Initial version of Polish language in FM Radio.

Change-Id: I3247e9d1ec1c70947e4421c2daff9e215e5c2b5b

FM Radio: PL translations

Part 2 of polish translation FM app for serrano.

Change-Id: Id8a7b9bc32e756465b7829ed55daba4d475b12f0

FM2: PL translations

Messages have more sense now.

Change-Id: I5b625d44dc3850d2d30465096d209f3a3b61f276