hg: lambda/lambda/jdk: IntOptional and use on IntStream.

[paul.sandoz at oracle.com]

Changeset: daf32df5cfe3
Author:    psandoz
Date:      2012-12-20 19:14 +0100
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/daf32df5cfe3

IntOptional and use on IntStream.

! src/share/classes/java/util/stream/op/FindOp.java
! src/share/classes/java/util/stream/primitive/IntAverageOp.java
! src/share/classes/java/util/stream/primitive/IntFoldOp.java
+ src/share/classes/java/util/stream/primitive/IntOptional.java
! src/share/classes/java/util/stream/primitive/IntPipeline.java
! src/share/classes/java/util/stream/primitive/IntStream.java
! test-ng/tests/org/openjdk/tests/java/util/stream/op/FindAnyOpTest.java
! test-ng/tests/org/openjdk/tests/java/util/stream/op/FindFirstOpTest.java
! test-ng/tests/org/openjdk/tests/java/util/stream/primitive/IntMinMaxTest.java
! test-ng/tests/org/openjdk/tests/java/util/stream/primitive/IntReduceTest.java