Update SinonJS to v1.9.0

Source:
* http://sinonjs.org/releases/sinon-1.9.0.js
* http://sinonjs.org/releases/sinon-ie-1.9.0.js

Changelog:
* http://sinonjs.org/Changelog.txt

Change-Id: I754ec906c2fc61b0e55bb61876fc7aafe2b3a67c