Updated mediawiki/extensions
Project: mediawiki/extensions/BookManagerv2  21a61306e5dc44b991af58b25ae7dfc93166d1b4

Re-add minor CSS change that got lost in a rebase.

I accidentally removed the ordered and unordered list styles
somewhere along the way; readding them now.

Change-Id: Ib5942cadbd8040d488e40cc3b69940a23321ce6b