Improved the responsive table styling.

This ensures that the table does not display incorrectly when the
content in a table cell becomes too long to display.
[WFK2-486 & JDF-654] - Fix WARNings in spring-kitchensink-* caused by the wrong scope in the pom.
Minor change on rf-validation readme for WFK 2.5
JDF-658: Modify README to explain why functional tests run 3 times.