fix some eclipse warnings, but in a better (should be more performant) way; trim-whitespace

git-svn-id: https://svn.apache.org/repos/asf/pivot/trunk@1615963 13f79535-47bb-0310-9956-ffa450edef68
PIVOT-955, handle the themeIsFlat even in TerraFormSkin.
Later check if other changes are needed for better showing flat mode in this component (or better, in sub components of Form Fields).

git-svn-id: https://svn.apache.org/repos/asf/pivot/trunk@1615964 13f79535-47bb-0310-9956-ffa450edef68