[10] Review request: 8182775: Incorrect copyright footer in introduction_to_fxml.html and cssref.html

[Kevin Rushforth]

Phil,

Please review the following copyright footer cleanup fix:

https://bugs.openjdk.java.net/browse/JDK-8182775
http://cr.openjdk.java.net/~kcr/8182775/webrev/

-- Kevin