[PATCH 4/4] docs: Update readthedocs URLs

[Stephen Finucane]

'readthedocs.io' is preferred to 'readthedocs.org'. Update all relevant
links.

Signed-off-by: Stephen Finucane <stephenfinucane at hotmail.com>
---
 README.md                | 8 ++++----
 docs/contributing.md     | 2 +-
 docs/deployment.md       | 6 +++---
 docs/development.md      | 4 ++--
 tools/vagrant/install.sh | 2 +-
 5 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index a9fafba..5956e84 100644
--- a/README.md
+++ b/README.md
@@ -58,14 +58,14 @@ For further information, please refer to the [docs][docs].
 For bug reports, patch submissions or other questions, please use the
 [Patchwork mailing list][pw-ml].
 
-[badge-doc-ref]: https://patchwork.readthedocs.org/en/latest/
-[badge-doc-img]: https://readthedocs.org/projects/patchwork/badge/?version=latest
+[badge-doc-ref]: https://patchwork.readthedocs.io/en/latest/
+[badge-doc-img]: https://readthedocs.io/projects/patchwork/badge/?version=latest
 [badge-req-ref]: https://requires.io/github/getpatchwork/patchwork/requirements/?branch=master
 [badge-req-img]: https://requires.io/github/getpatchwork/patchwork/requirements.svg?branch=master
 [badge-waffle-ref]: https://waffle.io/getpatchwork/patchwork
 [badge-waffle-img]: https://badge.waffle.io/getpatchwork/patchwork.svg?label=ready&title=Ready
-[docs]: https://patchwork.readthedocs.org/en/latest/
-[docs-development]: https://patchwork.readthedocs.org/en/latest/development/
+[docs]: https://patchwork.readthedocs.io/en/latest/
+[docs-development]: https://patchwork.readthedocs.io/en/latest/development/
 [pdf-fosdem]: https://speakerdeck.com/stephenfin/a-new-patchwork-bringing-ci-patch-tracking-and-more-to-the-mailing-list
 [pdf-plumbers]: https://www.linuxplumbersconf.org/2011/ocw/system/presentations/255/original/patchwork.pdf
 [pw-ml]: https://ozlabs.org/mailman/listinfo/patchwork
diff --git a/docs/contributing.md b/docs/contributing.md
index 93b0602..cc5f1d6 100644
--- a/docs/contributing.md
+++ b/docs/contributing.md
@@ -56,4 +56,4 @@ patches. In particular, please ensure:
 [doc-development]: development.md
 [pw-ml]: https://ozlabs.org/mailman/listinfo/patchwork
 [ref-qemu-contrib]: http://wiki.qemu.org/Contribute/SubmitAPatch
-[ref-tox]: https://tox.readthedocs.org/en/latest/
+[ref-tox]: https://tox.readthedocs.io/en/latest/
diff --git a/docs/deployment.md b/docs/deployment.md
index 1d9ca8e..7a4a39b 100644
--- a/docs/deployment.md
+++ b/docs/deployment.md
@@ -415,6 +415,6 @@ it.
 [ref-django-files]: https://docs.djangoproject.com/en/dev/intro/tutorial01/#creating-a-project
 [ref-django-settings]: https://docs.djangoproject.com/en/1.8/ref/settings/
 [ref-pkgs]: http://pkgs.org/
-[ref-uwsgi-emperor]: https://uwsgi-docs.readthedocs.org/en/latest/Emperor.html
-[ref-uwsgi-systemd]: https://uwsgi-docs.readthedocs.org/en/latest/Systemd.html
-[ref-uwsgi-upstart]: https://uwsgi-docs.readthedocs.org/en/latest/Upstart.html
+[ref-uwsgi-emperor]: https://uwsgi-docs.readthedocs.io/en/latest/Emperor.html
+[ref-uwsgi-systemd]: https://uwsgi-docs.readthedocs.io/en/latest/Systemd.html
+[ref-uwsgi-upstart]: https://uwsgi-docs.readthedocs.io/en/latest/Upstart.html
diff --git a/docs/development.md b/docs/development.md
index 60ea904..28a4495 100644
--- a/docs/development.md
+++ b/docs/development.md
@@ -324,8 +324,8 @@ using the provided `dev` settings file.
 [ref-mman-bulk]: http://blog.behnel.de/posts/indexp118.html
 [ref-py34-pip]: http://legacy.python.org/dev/peps/pep-0453/
 [ref-sqlite-utf8]: https://www.sqlite.org/faq.html#q18
-[ref-tox]: https://tox.readthedocs.org/en/latest/
+[ref-tox]: https://tox.readthedocs.io/en/latest/
 [ref-compose]: https://docs.docker.com/compose/install/
 [ref-docker]: https://docs.docker.com/engine/installation/linux/
 [ref-vagrant]: https://www.vagrantup.com/docs/getting-started/
-[ref-venv]: https://virtualenv.readthedocs.org/en/latest/
+[ref-venv]: https://virtualenv.readthedocs.io/en/latest/
diff --git a/tools/vagrant/install.sh b/tools/vagrant/install.sh
index 3edec85..eb25910 100644
--- a/tools/vagrant/install.sh
+++ b/tools/vagrant/install.sh
@@ -71,5 +71,5 @@ echo "    $ createsuperuser"
 echo "For information on the above, and some examples on loading sample date,"
 echo "please refer to the documentation found in the 'doc' folder."
 echo "Alternatively, check out the docs online:"
-echo "    https://patchwork.readthedocs.org/en/latest/development/"
+echo "    https://patchwork.readthedocs.io/en/latest/development/"
 echo "Happy patchworking."
-- 
2.7.4