ADSP - Add basic audio dsp addon handling structure
ADSP - Add adsp addon callback helper library and add addon build if in xbmc folder
ADSP - Add gui sound playback with selectable channel position on dsp addon callbacks
ADSP - Add audio dsp information to CGUIInfoManager
ADSP - Add adsp mode processing chain settings dialog
ADSP - Add adsp mode selection dialog
ADSP - Add dsp processing setting dialog selection to music and pvr channels context menu
ADSP - Hide audio volume settings, upmix on audio and subtitle dialog if dsp system is activated
Fix unsupported features on paplayer