ReduceOperations.hyperLogLog
make hyperLogLogMap public with configurable serializer
fix unit test
Merge branch 'develop' of https://github.com/twitter/scalding into hll-aggregate
minor tweaks from oscar
Merge branch 'develop' of https://github.com/twitter/scalding into hll-aggregate
improved hyperLogLog reducer methods
Merge branch 'master' of https://github.com/twitter/scalding into hll-aggregate
restore legacy ReduceOperations.approxUniques; rename bijection-aware method to approximateUniqueCount
specify TupleConverter & TupleSetter in new hll methods
Merge pull request #245 from asiegel34/hll-aggregate

ReduceOperations.hyperLogLog
Updates version strings, README, CHANGELOG for 0.8.3
Merge branch 'release/0.8.3' into develop