Zuul projects are moving from tox to nox due to incompatibilities in
tox v4. This updates zuul-sphinx to nox.
Change-Id: Iccd3c36620ae452c81e9c317a7b2d73fd2061ced
We test it and use it in python3, so go ahead and mark that in
setup.cfg. Also, update the homepage to the zuul-sphinx docs.
Change-Id: I27be701e0c74af88a8bbe317b3f753ed57892a5d
Sphinx and pbr are run-time requirements of this package.
Remove dep on oslosphinx.
Tell pbr our package name.
Change-Id: Ia23cb2845b4d482888637728ac7712358e5e3629