Update urls from .com to .org.
I added 301 redirects from dockerproject.com to dockerproject.org but may as
well make sure everything is updated anyways.
@@ -12,7 +12,7 @@ Docker has two primary branches for documentation:
| Branch | Description | URL (published via commit-hook) |
|----------|--------------------------------|------------------------------------------------------------------------------|
| `docs` | Official release documentation | [https://docs.docker.com](https://docs.docker.com) |
-| `master` | Merged but unreleased development work | [http://docs.master.dockerproject.com](http://docs.master.dockerproject.com) |
+| `master` | Merged but unreleased development work | [http://docs.master.dockerproject.org](http://docs.master.dockerproject.org) |
Additions and updates to upcoming releases are made in a feature branch off of
the `master` branch. The Docker maintainers also support a `docs` branch that
@@ -22,7 +22,7 @@ After a release, documentation updates are continually merged into `master` as
they occur. This work includes new documentation for forthcoming features, bug
fixes, and other updates. Docker's CI system automatically builds and updates
the `master` documentation after each merge and posts it to
-[http://docs.master.dockerproject.com](http://docs.master.dockerproject.com).
+[http://docs.master.dockerproject.org](http://docs.master.dockerproject.org).
Periodically, the Docker maintainers update `docs.docker.com` between official
releases of Docker. They do this by cherry-picking commits from `master`,
