Update oojs to v1.0.8

Code:
 http://oojs.github.io/releases/oojs-1.0.8.js

Release notes:
 http://git.wikimedia.org/blob/oojs%2Fcore.git/v1.0.8/History.md

Change-Id: I3ae46a0050d74c5c4fa9004455328e0661cab2dd
Merge "Update oojs to v1.0.8"