Removed applyMatrix in favour of ofMultMatrix

[mimetikxs]

ofxCv::applyMatrix does not work with programmable renderer. glMultMatrixf assumes fixed pipeline and won't pass the matrix to the shader.

I've removed this helper and updated the code to use ofMultMatrix instead.

[kylemcdonald]

thanks! there might be other code that uses applyMatrix, so it would be better to replace the implementation of applyMatrix with ofMultMatrix(makeMatrix(boardRotations[i], boardTranslations[i]));