NT_51: The whole port.

It might not be very nice, but it is easier to carry around
as one big commit. The individual steps are described in
src/DOCUMENTATION.

NT_51: The whole port.

It might not be very nice, but it is easier to carry around
as one big commit. The individual steps are described in
src/DOCUMENTATION.

BACKPORTS: Main information changes.

I will edit and re-push this commit after every rebase on master.
You should work off the branches if you are external. The master
branch itself does not contain specific code.