PIVOT-955, changes to the Theme and in default skin configuration file (all others need to be updated too), and implement in some components (more later).
At the moment this is a work-in-progress (wip), but to see the new behavior simply negate che check inside the ComponentSkin themeIsFlat() method.


git-svn-id: https://svn.apache.org/repos/asf/pivot/trunk@1614881 13f79535-47bb-0310-9956-ffa450edef68