All dependencies and other pre-reqs steps for building this project from zero to running locally are listed, in order, below. These commands assume to are running the most current version of OS X. Yes, that means you should upgrade, as all good devs stay current. These commands should be ran in terminal and can be ran from anywhere unless otherwise specified on the command.
If you find a discrepency, please file an issue.
Install Homebrew if not already installed.