win XP IE8 exploit for MS13-080

ie_setmousecapture_uaf only supported IE9 on windows 7, but the vuln was present in different versions of IE. I tested with Windows xp sp3 and IE8 and the exploit works pretty reliably (included the specific mshtml version in the code). I did not test that I did not break the win7 IE9 exploit as I didn't have that setup (but there shouldn't be anything changed)

This pull request is probably not very useful in real life - I was just messing around.