Merge branch 'ext/remuxe-video' of https://github.com/Zocker1999NET/youtube-dl into...

diff --cc README.md
Simple merge

diff --cc devscripts/fish-completion.py
Simple merge

diff --cc devscripts/zsh-completion.in
Simple merge

diff --cc youtube_dlc/__init__.py
Simple merge

diff --cc youtube_dlc/options.py
Simple merge

diff --cc youtube_dlc/postprocessor/__init__.py
Simple merge

diff --cc youtube_dlc/postprocessor/ffmpeg.py
Simple merge