-- v3: dmime: Pass the DMUS_PMSG through the performance graph. dmime: Rename DMUS_PMSGToItem to message_from_DMUS_PMSG. dmime: Remove unnecessary struct message members. dmime: Use a struct list to keep performance messages. dmime: Get rid of the DMUS_PMSGItem typedef. dmime: Convert DMUS_PMSG music and reference times in SendPMsg. dmime/tests: Test that SendPMsg also converts reference time.