mshtml: Added IHTMLDocument2::elementFromPoint implementation

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?
Full results can be found at
http://testbot.winehq.org/JobDetails.pl?Key=14979

Your paranoid android.


=== TEST64_W7SP1 (32 bit htmldoc) ===
htmldoc.c:2865: Test failed: unexpected cmd 109 of CGID_Explorer
htmldoc.c:4446: Test failed: tag = L"BODY"

=== TEST64_W7SP1 (64 bit htmldoc) ===
htmldoc.c:2865: Test failed: unexpected cmd 109 of CGID_Explorer
htmldoc.c:4446: Test failed: tag = L"BODY"