Netflix/RxJava — pull request #641 by akarnokd (2013-12-19 09:37:03+00:00)
Title: Operators: AsObservable, GroupBy w/ maxGroups, GroupByUntil w/ maxGroups

Issue #634

Implemented both maxGroups variants on top of (my) ```groupByUntil``` so it won't conflict with any potentially rewritten ```groupBy```.