Change-Id: I440051ebab3844e22203bd9d0fcf79413b81324d
Change-Id: I4730c4ffcfa25dac408e2449dfa734b4661ee8d8
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