Patch for Sinon-IE (IE7-9)

From Sinon docs:
>When faking XHR with IE you also need sinon-ie-1.8.2, which should be
loaded after sinon-1.8.2.js.
Merge pull request #2 from SergioCrisostomo/garrick

Patch for Sinon-IE (IE7-9)
Merge pull request #16 from GCheung55/ibolmo-master

Patch for Sinon-IE (IE7-9)