Isolate the method related to java.awt.geom.AffineTransform in a separated class (more methods will be added later).
The intend is to separate as much as we can the Java2D dependencies, in order to make easier to use SIS with other
technologies like JavaFX or Android if we wish.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1522493 13f79535-47bb-0310-9956-ffa450edef68