J. Johnson. (2011)cite arxiv:1105.5701Comment: 33 pages, 19 figures; chapter to appear in 'The First Galaxies - Theoretical Predictions and Observational Clues'; some figures downgraded, high resolution version available at http://www.mpe.mpg.de/tmox/jjohnson/news/FG_Theory_and_Simulations.pdf.