os/tg-extract-results: Implement /proc CPU usage with/without children, fix /proc memory usage, output CPU usage with/without children and make with-children version reported by tg-extract-results
GridLocate: Add '--debug vw-normalize' to turn on normalization of VW raw predictions
GridRanker: Turn normalization back on by default (use '--debug vw-unnormalized' to turn off) -- results are better
Debug: Clean up docs, remove last vestige of --debug tons
Evaluation: Implement '--debug parallel-evaluation': Parallel evaluation (needs more testing)