DSUtil: added AudioTools.h and AudioTools.cpp
CBaseSplitterFileEx: Fix the parsing of BD LPCM headers.
DSUtil: Fix a nonsensical boolean to string conversion.
DSUtil->AudioTools: fixed gain_int24 function and cosmetics.
AudioSwitcher: optimized normalize and boost.
AudioSwitcher: slightly optimized Custom Channel Mapping.
cosmetics: *(p + i) -> p[i]
updated Russian translation
MPCVideoDec: added support for 'VMnc' codec. Created a group "Screen Capture(TSCC, VMnc)"
ffmpeg: used the correct "vmnc.c"
Fix VMnc internal decoder.