MpaDecFilter: use standard coefficients for downmix matrix.
update Changelog.txt
InternalFiltersConfig*.h: fix copyright year
<added disabled code> MpaDecFilter: if back channels do not have sound, then divide side channels for the back and side (tiket #2901)
build.bat: Remove /zip switch
MpaDecFilter: if back channels do not have sound, then divide side channels for the back and side (tiket #2901)
Updated German translation.
Use the new website URL.
Add mpc-hc_config.h

Define some constants for URLs here.
move USE_UNRAR_STATIC to mpc-hc_config.h
move USE_MEDIAINFO_STATIC and DISABLE_MINIDUMP to mpc-hc_config.h
Simplify InternalFiltersConfig.h.
remove comment
fix bug reports url and remove wwww from our page link
include mpc-hc_config.h in version.h since it's needed for WEBSITE_URL
MpaDecFilter->Mixer: add normalize matrix coefficient.
ffmpeg: Properly remove files