Update OOjs UI to v0.16.0

Release notes:
 https://git.wikimedia.org/blob/oojs%2Fui.git/v0.16.0/History.md

Change-Id: I9c170fce1c65ae65b0b33342572fe4d3bb613774


ve-core
	bin/update-oojs-ui.sh && grunt && git add -p && git commit --amend && git review

mw-core
	maintenance/resources/update-oojs-ui.sh && git commit --amend && git review

mw-vendor
	git clear && git remote update && git checkout master && git pull && git checkout -Bupstream-oojs-ui && php composer.phar self-update && nano composer.json && php composer.phar update && git add oojs && git add -p && git commit && git review
