Update README.md
added Monotonic ConvergenceFieldValueRecommender and limits on number of optimization cycles
code review
Merge pull request #18 from sanity/temporalReweighting

MonotonicConvergenceRecommender
Merge branch 'master' of https://github.com/sanity/quickdt into update-predictive-model
code review: move data back into builder, stores indexes in updatable leaf, add support for rebuild and split thresholds