Make the transformations of MultiText apply to the points and not the projection

[dkrautha]

Currently the transformation inside AngledMultiText (soon to also be MultiText) is applied to the projection of the parentCanvas while rendering. It would be better to apply such a transformation before the points are put into the vertices buffer, that way the projection itself doesn't have to be rotated (which rotates the entire coordinate space for the object). This would remove the need to apply an offset to make things drawn show up where you'd expect them in non-rotated space.