fix bug XGC-76; Dependant on FOP-2174 - Change to XGC to support the changes in FOP for image scaling. Scaling by resolution is removed to avoid duplicate scaling.
Submitted by Robert Meyer (rmeyer at hotmail dot co dot uk) 

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/trunk@1430286 13f79535-47bb-0310-9956-ffa450edef68