hg: lambda/lambda/jdk: Additional convenience methods on Optional

[brian.goetz at oracle.com]

Changeset: fde3666e6394
Author:    briangoetz
Date:      2013-05-28 11:34 -0400
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/fde3666e6394

Additional convenience methods on Optional

! src/share/classes/java/util/Optional.java