Fix build and deprecation warnings for JDK1.6 builds.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/batik/trunk@1636249 13f79535-47bb-0310-9956-ffa450edef68
Merge build and deprecation warning fixes.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/batik/branches/text-background@1636251 13f79535-47bb-0310-9956-ffa450edef68