Squashed 'libs/sticky-list-headers/' changes from 0dc6d1c..b323b7b

b323b7b minifying
eb2c834 Merge commit '426a653665a1bf5bd69f78f0372dffbc1a820113'
3752372 bugfixes in webkit

git-subtree-dir: libs/sticky-list-headers
git-subtree-split: b323b7b01e90927ce3fd53cca632055556ea6809
Merge commit 'b155c9332c29a7c23103c3490703aa19e72d546c'