[core] load promo link data
[core] parse promo link tag
[core] filter promo links
fix whitespaces
[links] fix detecting twitter stream content type
[core] add 'image' rel for large image files
[core] fix sorting links
[core] fix promo links filtering
[core] check if promo whitelisted
[domains] support gifv
[iframely.js] gifv html generation
[domains] gfycat.com
[domains] gfycat.com use mp4 source
[domains] fgycat.com better source selection
make readability option as get param
add default param
[domains] vine.co mp4 secure player
[domains] instagram mp4 secure player
[core] fix detection image file with ssl
[promo] better check if has promo links