Changed video resolution to 1080p.
Updated README.
Using label instead of caption convert imagemagick command bacuse it is faster.
Updated README.
Minor README update.
Updated README.md with installation instructions.
README.md test with links.
Converted links to the reference-style links and fixed some lists bug.
Fixed code blocks in list.
Minor updates to README.
Updated docs in encode4yt.sh
Fixed README typo.
Changed indentation.
Added how to fetch ffmpeg.org version.
Fixed docs.