JavaMoney/jsr354-ri — pull request #38 by otaviojava (2014-08-15 23:48:03+00:00)
Title: create the class to groupby Summary

Create the class to do group by summary from CurrencyUnit.
Now is possible have summary in any currencies.

GroupMonetarySummaryStatistics groupBy = currenciesToSummary().collect(	groupBySummarizingMonetary());
Map mapSummary = groupBy.get();
MonetarySummaryStatistics summary = groupBy,get(DOLLAR);