Use the OS X travis cloud
Install needed python dependencies
Use sudo to install python
The release process can now be done via a pull request

To create a new release, just open a pull request from `master` to
`release`. The body of the pull request will become the post on reddit.

Pretty cool, ehh? Shout out to sauce labs who have donated the OSX
machines on Travis CI.
Fix travis.yml
Merge pull request #1303 from hawkthorne/osx_builds

Automate releases via pull requests
Add a binaries target
Add venv dependency for makefile
Change post creation
Format the url correctly
Fix post template