Update OOjs UI to v0.1.0-pre (da4b0d5c14)

New changes:
e830a4d Conf for doxygen based PHP doc
80ecf60 Semiautomatically compare and synchronise JS and PHP docs
521fa21 Move 'readOnly' from InputWidget to TextInputWidget
9130eb3 OoUiTag: HTML-escape everything by default
0488141 Generate and run a JS/PHP comparison test suite
c552fea ButtonInputWidget: Explicitly disallow setting value when using <input/>
ab69d96 Apex, MediaWiki themes: Move colour definitions into LESS variables
d3367bb Turn FieldLayout into a <label/>
8a38c10 Provide abstract getLookupCacheItemFromData in LookupInputWidget
da4b0d5 Set input/menu widgets to have a max-width expanding to 100% rather than hard-coded

Change-Id: Id3e280a03fc305dc5cb706bc1208246275d169cb
Merge "Update OOjs UI to v0.1.0-pre (da4b0d5c14)"