PRD-4699 - Updated the build.xml to override the subfloor.xml way of setting the version number in the MANIFEST.MF

PRD-4699 - Updated the build.xml to override the subfloor.xml way of setting the version number in the MANIFEST.MF

The version number being set in the report-designer.jar is being displayed on the splash screen and the help->about screen. The update will cause this to be "5.0.0" for the 5.0.0 release and "TRUNK-SNAPSHOT" or "4.0-SNAPSHOT" depending upon the project.revision property.