Update OOjs UI to v0.1.0-pre (3db4b6974d)

New changes:
4f4fc2c Localisation updates from https://translatewiki.net.
ea88cce Localisation updates from https://translatewiki.net.
37af34f Add the ability to clear the SearchWidget
1cd4b32 Make PopupWidget clippable.
81f2edc Localisation updates from https://translatewiki.net.
fa6e8e5 Make popup toolgroup labels a little closer to their icons

Change-Id: Ia463428610854ebace378399dfc9b853b6c8de93