hg: jdk8/tl/jdk: 8028816: Add value-type notice to Optional* classes

[mike.duigou at oracle.com]

Changeset: 2aae624bb833
Author:    briangoetz
Date:      2013-12-03 21:22 -0800
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/2aae624bb833

8028816: Add value-type notice to Optional* classes
Reviewed-by: mduigou, smarks
Contributed-by: bitterfoxc at gmail.com

+ src/share/classes/java/lang/doc-files/ValueBased.html
! src/share/classes/java/util/Optional.java
! src/share/classes/java/util/OptionalDouble.java
! src/share/classes/java/util/OptionalInt.java
! src/share/classes/java/util/OptionalLong.java