Update OOjs UI to v0.1.0-pre (8b13d2b7f7)

New changes:
b983861 Fix OO.ui.ButtonOptionWidget documentation header
621a966 doc: Improve and fix minor issues in base classes
59665a2 Localisation updates from https://translatewiki.net.
d9a0a7d Add icon and indicator widgets

Change-Id: Ibeb5d5d600ad1c9d6dab049a3636031d9fef070a