fix license headers

Change-Id: I10738f89cc0f8629adb787b2477d4170ff4d44e3
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
remove pointless QString::arg call

Change-Id: I6838e73c68a2d16ecb053f897e81b06d7186a166
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>