Hi Snipe3000,
Additionally, please view this Tutorial Video Walkthrough for the process of downloading from GitHub and building the Editor.
http://www.youtube.com/watch?v=usjlNHPn-jo&index=24&list=PLZlv_N0_O1gaCL2XjKluO7N2Pmmw9pvhE
Let us know if this has helped or not.