[9] RFR: 8091485: Ensemble8: Review each sample description, playground, appearance, related docs and links

[Morris Meyer]

Kevin, Jonathan and Leif,

Could you please review my changes for 8091485?  The issues that I found 
are enumerated in the bug description.

Thanks much,

    --morris

WEBREV - http://cr.openjdk.java.net/~morris/JDK-8091485.01/
BUG - https://bugs.openjdk.java.net/browse/JDK-8091485