See https://trello.com/c/NbPpjduW/565-update-user-icon-in-vector Bug: 41484 Bug: 45056 Change-Id: I62c9aef54bde85c236bf8b2fb0458b4a3fe0dcf2
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