hg: lambda/lambda/jdk: Add minBy(Comparator), maxBy(Comparator)

[brian.goetz at oracle.com]

Changeset: b5c2376af431
Author:    briangoetz
Date:      2012-11-18 23:51 -0500
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/b5c2376af431

Add minBy(Comparator), maxBy(Comparator)

! src/share/classes/java/util/stream/ReferencePipeline.java
! src/share/classes/java/util/stream/Stream.java
+ test-ng/tests/org/openjdk/tests/java/util/stream/op/MinMaxByTest.java