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.
Fix a memory leak when opening the Properties > Clip page.
Fix a memory leak when drawing the chapter marks on the seek bar.

Since the seek bar is often redrawn the memory leak could become quite noticeable if a file was left opened for a long time.
DVB: Cosmetics for error messages and log file.
DVB: Increase SI data extraction timeout to prevent failures.
DVB: Remove unneeded code.