'next' is EOL for now

[arun.raghavan@xxxxxxxxxxxxxxx (Arun Raghavan)]

Hi,
Now that 4.0 is out the door, I've merged next on top of master and
pushed out all the changes. The next branch is now defunct until the
next release. I'm going to delete it tomorrow unless someone has a good
reason not to.

Cheers,
Arun