Messages for signed directory removal and copy only appear when it really happens
diff --git a/releng/org.eclipse.graphiti.releng/buckminster.ant b/releng/org.eclipse.graphiti.releng/buckminster.ant
index 72ea78a..1884cfb 100644
--- a/releng/org.eclipse.graphiti.releng/buckminster.ant
+++ b/releng/org.eclipse.graphiti.releng/buckminster.ant
@@ -72,14 +72,12 @@
 		<echo message="Deleting old ZIP archive from last_success area" />
 		<delete dir="${root}/last_success/site.p2.zip/" failonerror="true" />
 
-		<echo message="Deleting old signed update site from last_success area" />
 		<available file="${root}/last_success/site.signed/" property="site.signed.exists"/>
 		<antcall target="sub.delete.last_success.site.signed"/>
 		
 		<echo message="Copying site.p2 to last_success area" />
 		<copydir dest="${root}/last_success/site.p2/" src="${root}/buildroot/buckminster.build/org.eclipse.graphiti.site_1.0.0-eclipse.feature/site.p2" />
 
-		<echo message="Copying site.signed to last_success area" />
 		<available file="${root}/buildroot/buckminster.build/org.eclipse.graphiti.site_1.0.0-eclipse.feature/site.signed" property="site.signed.created"/>
 		<antcall target="sub.copy.last_success.site.signed"/>
 
@@ -89,10 +87,12 @@
 	
 	<!-- Sub targets for copy.sites -->
 	<target name="sub.delete.last_success.site.signed" if="site.signed.exists">
+		<echo message="Deleting old signed update site from last_success area" />
 		<delete dir="${root}/last_success/site.signed/" failonerror="true" />
 	</target>
 
 	<target name="sub.copy.last_success.site.signed" if="site.signed.created">
+		<echo message="Copying site.signed to last_success area" />
 		<copydir dest="${root}/last_success/site.signed/" src="${root}/buildroot/buckminster.build/org.eclipse.graphiti.site_1.0.0-eclipse.feature/site.signed" />
 	</target>
 	<!-- End sub targets -->