4x4 matrix code doesn't compile.

[schuranator]

Having issues with the latest code. I reverted to before the 4x4 matrix additions and seems to be the code wasn't tested. I'm using Visual Studio 2010 so I'm not sure if this needs a new version.

[maconbot]

yes i found that as well, check this comment out...
35be382

There are several issues on these changes.
fb5485b#commitcomment-13152908
fb5485b#commitcomment-13152908
35be382#commitcomment-13152915

I recommend reverting to 9e9bcf0#diff-99dcc7553a86dc3f2a93cd592093a88b