MP1-4284: Songs played out of a Cue Files did not display the correct duration
Check in WASAPIPROC if Mixer is null to prevent possible crashes
MP1-4258: Stopping WASAPI when changing manually to next song to avoid crashes.
MP1-4258: Due to a Free of the WASAPI device on wrong place, the Playback failed on subsequent tracks if the sample rate stayed the same
MP1-4258 : Typo fix and fix most related to music/video MP4.
Merge remote-tracking branch 'remotes/origin/MP1-4284-BUG-Wrong_duration_for_CUE_files_displayed'
Merge remote-tracking branch 'remotes/origin/MP1-4258-BUG-BASS_should_raise_g_player_events'

Conflicts:
	mediaportal/Core/MusicPlayer/BASS/BassAudioEngine.cs