Squashed 'src/libs/sticky-list-headers/' changes from fe83abb..de93695

de93695 minified version
ad4ee9e orig verison
9a5eaab Merge commit 'a3b27df9a6dbf70abe652e4a0fe0469c01f444e6'

git-subtree-dir: src/libs/sticky-list-headers
git-subtree-split: de936950f2b692bd636576d2a681daf53fd672bc
Merge commit '0123888b41d7456a40516576ec268203ade683a0'