Makes subprojects clean jars created.

Removes lib/adempiereRoot.jar because it is generated by
build process.

This and my previous commit probably breaks eclipse's
.classpath files. Just run ant in tools dir and
everything returns to normal.

JasperReports/build.xml

@@ -161,7 +161,9 @@
     <delete file="${dist.dir}/${jar.name}.jar" failonerror="false"/>
     <delete file="${dist.dir}/${jar.name}Doc.jar" failonerror="false"/>
     <delete file="${dist.dir}/${jar.name}Source.jar" failonerror="false"/>
-  	<delete dir="${needed.dir}"/>
+    <delete dir="${needed.dir}"/>
+    <delete file="./CompiereJasperReqs.jar"/>
+    <delete file="${jar.path}/CompiereJasperReqs.jar"/>
   </target>
 
 

serverRoot/build.xml

@@ -226,6 +226,8 @@
   <!-- =========================================== -->
   <target name="clean">
     <delete dir="${build.dir}" failonerror="false"/>
+    <delete file="../lib/adempiereRootBase.war"/>
+    <delete file="../lib/adempiereRoot.jar"/>
 	<!-- This is boring to delete these
     <delete>
       <fileset dir="${src.interfaces.dir}" includes="**/*.java"/>

tools/build.xml

@@ -334,6 +334,7 @@
     <delete file="${dist.dir}/jboss.jar" failonerror="false"/>
     <delete file="${dist.dir}/oracle.jar" failonerror="false"/>
     <delete file="${dist.dir}/derby.jar" failonerror="false"/>
+    <delete file="${dist.dir}/postgresql.jar" failonerror="false"/>
   </target>
 
 </project>