Change-Id: I1c647dde769fcaeeecb0c2737b21e0e1ad5f53dd
Change-Id: I14df1edcd28fa331d195a9ccedc762cce2b431ca
This is the final step of the process described at <https://www.mediawiki.org/wiki/Separating_skins_from_core_MediaWiki>. Corresponding core change: Idfc38503. Change-Id: I84fcf7ce6385b8323544cafe6912a00f1886d20d