revert iterations for scala sample
multinomial
Merge branch 'develop' of https://github.com/HazyResearch/deepdive into develop2
change multinomial examples
add predicate field in FactorFunctionVariable, add equal predicate parsing, add cardinality table, support with/without equal predicate
update sampler
Merge branch 'develop2' of github.com:feiranwang/deepdive into feiranwang-develop2