make downsampling predictive model updatable
Merge remote-tracking branch 'origin/update-predictive-model' into update-predictive-model
Merge branch 'master' of https://github.com/sanity/quickdt into update-predictive-model
make downsampling predictive model updatable
move attributecombiner package to be a subpackage of predictiveModels
fix compile errors
wrappedmodel and wrappedmodelbuilder
updatable builders
updatable builder builders
updatable builder builders
refactoring
refactoring
updatable builder builders
refactoring
fix readme
merge in update-branch