- added Java target and source properties for downgrading Java version

build.xml

@@ -48,6 +48,9 @@
     <property name="libdir"  value="lib" />
     <property name="classpath"  value="classes"/>
     <property name="tempdir"  value="/tmp"/>
+    <!-- for downgrading -->
+    <!--property name="ant.build.javac.source"  value="1.7"/>
+    <property name="ant.build.javac.target"  value="1.7"/-->
     <!-- when using logback -->
     <property name="logback.configurationFile"  value="logback.xml"/>
   </target>