hg: lambda/lambda/jdk: Add new Collectors.toMap, toConcurrentMap; trim groupingBy forms

[brian.goetz at oracle.com]

Changeset: b3a0993879a2
Author:    briangoetz
Date:      2013-04-10 14:39 -0400
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/b3a0993879a2

Add new Collectors.toMap, toConcurrentMap; trim groupingBy forms

! src/share/classes/java/util/stream/Collectors.java
! test-ng/tests/org/openjdk/tests/java/util/stream/TabulatorsTest.java