[Terry N.] make sure the dependency jar is fresh every run

build.xml

@@ -281,6 +281,7 @@ POSSIBILITY OF SUCH DAMAGE.
     </target>
 
     <target name="run.viskit" depends="set.classpath" description="Start the Visual Simikit (viskit) DES Authoring Tool on any O/S">
+        <ant antfile="examples/build.xml" target="jar" useNativeBasedir="true"/>
         <splash imageurl="file:${basedir}/${splash.image}"
                 useproxy="true"
                 showduration="5000"/>