[7u-osx] Request for approval for 7124554: [macosx] JWindow does ignore setAlwaysOnTop property

[Anthony Petrov]

This is a request to push the following fix to jdk7u-osx:

CR: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7124554

Webrev: http://cr.openjdk.java.net/~anthony/x-6-alwaysOnTop.4/

Technical review and approval: 
http://mail.openjdk.java.net/pipermail/macosx-port-dev/2012-January/002482.html

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best regards,
Anthony