Updated READMEs [ci skip]
Updated doc [ci skip]
Updated JavaScript externs
Updated TODO [ci skip]
Generic: added the ability to specify a tag name when adding replacements
Updated the minifiers cache [ci skip]
Updated comment [ci skip]
Fixed comment [ci skip]
MediaEmbed: don't requie a "match" in every "scrape"
MediaEmbed: added gfycat
Synced to 520ee31d5032810b3b2b71a71f13d8a574476d4a
Synced to 520ee31d5032810b3b2b71a71f13d8a574476d4a