* fontconfig: Update to 2.12.1
* libass: Update to 0.13.4
* ffmpeg: Update to 3.2
This replaces the SDL1 video output device with SDL2.
* enca: Update to 1.19
* mpv: Update to 0.22.0
Encoding mode no longer uses deprecated APIs, so encoding-profiles.conf
will be installed again.
* upgrade some broken packages
* correct some broken urls/checksums
* use secure urls where possible
* update PKGBUILD templates
* remove line-ending whitespace
* minor typos/fixes
Remaining md5sums either didn't download or
didn't pass checksum tests.