packages: big rewrite patches for install lib only
patches: mp - update, removed unneeded
uptodate: added opencore-amr watch file
patches: sync ffmpeg
patches: sync libav
gitignore: added .swp
ffmpeg: added libmodplug + packages + static ldflag
packages: added url for libregif
packages: support for initial setup of git/svn
builds: added win64 builds to ff and mp
packages: (ffmpeg) added xavs
ffconfig: add --enable-avresample
builds: simplified configuration
patches: sync ffmpeg
packages: compatibility fixes

fontconfig: revert to stable, unstable was using mktemp_s not
available on windows xp

harfbuzz: applied a patch to delay load some functions not availables
on all windows versions
patch from https://bugs.freedesktop.org/show_bug.cgi?id=55494