Add source and authour to the title div

Strips out complex formatting, which should be useful later on as well.

Depends on:

* core
:* I77303d8e535fc1c42e14cfb853814e5c434a81ec
* CommonsMetadata
:* I5e6bc45f9751641e16426231dabcc8277b86fee0

Change-Id: Id835fd8133b9762e7bec10783f4fa4b983177aed