* cleanup simulator files * minor updates * update readme * keras runner builds * hmm, still doesn't work * keras runner works * should work with python3 keras mod * touchups old-commit-hash: c50c71829375fbbbeacd0add7bfd7e3f04c57668
old-commit-hash: 29ac3da7b84426c6764150cb233b9c7bab1446d8