Merge pull request kivy#1955 from kivy/release-2019.08.09

Release 2019.08.09

Fixes ffmpeg and libx264 recipes for arm64-v8 (kivy#1916)

libx264 and ffmpeg recipes fixes for arm64-v8

Merge pull request kivy#1839 from kivy/release-2019.06.06

Release 2019.06.06

Added sqlite and openssl testapp

Fixed some rst syntax in README.rst