Packaging change: moved ShapeUtilities in its own package. The purpose is to put in a separated package
the internal classes having a dependency toward Java2D, in order to make easier to identify which parts
may need to be replaced in a JavaFX application.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1600396 13f79535-47bb-0310-9956-ffa450edef68